[linux-2.6-block.git] / drivers / gpu / drm / i915 / intel_device_info.c

/*
 * Copyright © 2016 Intel Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 *
 */

#include <linux/string_helpers.h>

#include <drm/drm_print.h>
#include <drm/i915_pciids.h>

#include "display/intel_cdclk.h"
#include "display/intel_de.h"
#include "intel_device_info.h"
#include "i915_drv.h"
#include "i915_utils.h"

#define PLATFORM_NAME(x) [INTEL_##x] = #x
static const char * const platform_names[] = {
	PLATFORM_NAME(I830),
	PLATFORM_NAME(I845G),
	PLATFORM_NAME(I85X),
	PLATFORM_NAME(I865G),
	PLATFORM_NAME(I915G),
	PLATFORM_NAME(I915GM),
	PLATFORM_NAME(I945G),
	PLATFORM_NAME(I945GM),
	PLATFORM_NAME(G33),
	PLATFORM_NAME(PINEVIEW),
	PLATFORM_NAME(I965G),
	PLATFORM_NAME(I965GM),
	PLATFORM_NAME(G45),
	PLATFORM_NAME(GM45),
	PLATFORM_NAME(IRONLAKE),
	PLATFORM_NAME(SANDYBRIDGE),
	PLATFORM_NAME(IVYBRIDGE),
	PLATFORM_NAME(VALLEYVIEW),
	PLATFORM_NAME(HASWELL),
	PLATFORM_NAME(BROADWELL),
	PLATFORM_NAME(CHERRYVIEW),
	PLATFORM_NAME(SKYLAKE),
	PLATFORM_NAME(BROXTON),
	PLATFORM_NAME(KABYLAKE),
	PLATFORM_NAME(GEMINILAKE),
	PLATFORM_NAME(COFFEELAKE),
	PLATFORM_NAME(COMETLAKE),
	PLATFORM_NAME(ICELAKE),
	PLATFORM_NAME(ELKHARTLAKE),
	PLATFORM_NAME(JASPERLAKE),
	PLATFORM_NAME(TIGERLAKE),
	PLATFORM_NAME(ROCKETLAKE),
	PLATFORM_NAME(DG1),
	PLATFORM_NAME(ALDERLAKE_S),
	PLATFORM_NAME(ALDERLAKE_P),
	PLATFORM_NAME(XEHPSDV),
	PLATFORM_NAME(DG2),
	PLATFORM_NAME(PONTEVECCHIO),
	PLATFORM_NAME(METEORLAKE),
};
#undef PLATFORM_NAME

const char *intel_platform_name(enum intel_platform platform)
{
	BUILD_BUG_ON(ARRAY_SIZE(platform_names) != INTEL_MAX_PLATFORMS);

	if (WARN_ON_ONCE(platform >= ARRAY_SIZE(platform_names) ||
			 platform_names[platform] == NULL))
		return "<unknown>";

	return platform_names[platform];
}

void intel_device_info_print_static(const struct intel_device_info *info,
				    struct drm_printer *p)
{
	if (info->graphics.rel)
		drm_printf(p, "graphics version: %u.%02u\n", info->graphics.ver,
			   info->graphics.rel);
	else
		drm_printf(p, "graphics version: %u\n", info->graphics.ver);

	if (info->media.rel)
		drm_printf(p, "media version: %u.%02u\n", info->media.ver, info->media.rel);
	else
		drm_printf(p, "media version: %u\n", info->media.ver);

	if (info->display.rel)
		drm_printf(p, "display version: %u.%02u\n", info->display.ver, info->display.rel);
	else
		drm_printf(p, "display version: %u\n", info->display.ver);

	drm_printf(p, "gt: %d\n", info->gt);
	drm_printf(p, "memory-regions: %x\n", info->memory_regions);
	drm_printf(p, "page-sizes: %x\n", info->page_sizes);
	drm_printf(p, "platform: %s\n", intel_platform_name(info->platform));
	drm_printf(p, "ppgtt-size: %d\n", info->ppgtt_size);
	drm_printf(p, "ppgtt-type: %d\n", info->ppgtt_type);
	drm_printf(p, "dma_mask_size: %u\n", info->dma_mask_size);

#define PRINT_FLAG(name) drm_printf(p, "%s: %s\n", #name, str_yes_no(info->name))
	DEV_INFO_FOR_EACH_FLAG(PRINT_FLAG);
#undef PRINT_FLAG

#define PRINT_FLAG(name) drm_printf(p, "%s: %s\n", #name, str_yes_no(info->display.name))
	DEV_INFO_DISPLAY_FOR_EACH_FLAG(PRINT_FLAG);
#undef PRINT_FLAG
}

void intel_device_info_print_runtime(const struct intel_runtime_info *info,
				     struct drm_printer *p)
{
	drm_printf(p, "rawclk rate: %u kHz\n", info->rawclk_freq);
}

#undef INTEL_VGA_DEVICE
#define INTEL_VGA_DEVICE(id, info) (id)

static const u16 subplatform_ult_ids[] = {
	INTEL_HSW_ULT_GT1_IDS(0),
	INTEL_HSW_ULT_GT2_IDS(0),
	INTEL_HSW_ULT_GT3_IDS(0),
	INTEL_BDW_ULT_GT1_IDS(0),
	INTEL_BDW_ULT_GT2_IDS(0),
	INTEL_BDW_ULT_GT3_IDS(0),
	INTEL_BDW_ULT_RSVD_IDS(0),
	INTEL_SKL_ULT_GT1_IDS(0),
	INTEL_SKL_ULT_GT2_IDS(0),
	INTEL_SKL_ULT_GT3_IDS(0),
	INTEL_KBL_ULT_GT1_IDS(0),
	INTEL_KBL_ULT_GT2_IDS(0),
	INTEL_KBL_ULT_GT3_IDS(0),
	INTEL_CFL_U_GT2_IDS(0),
	INTEL_CFL_U_GT3_IDS(0),
	INTEL_WHL_U_GT1_IDS(0),
	INTEL_WHL_U_GT2_IDS(0),
	INTEL_WHL_U_GT3_IDS(0),
	INTEL_CML_U_GT1_IDS(0),
	INTEL_CML_U_GT2_IDS(0),
};

static const u16 subplatform_ulx_ids[] = {
	INTEL_HSW_ULX_GT1_IDS(0),
	INTEL_HSW_ULX_GT2_IDS(0),
	INTEL_BDW_ULX_GT1_IDS(0),
	INTEL_BDW_ULX_GT2_IDS(0),
	INTEL_BDW_ULX_GT3_IDS(0),
	INTEL_BDW_ULX_RSVD_IDS(0),
	INTEL_SKL_ULX_GT1_IDS(0),
	INTEL_SKL_ULX_GT2_IDS(0),
	INTEL_KBL_ULX_GT1_IDS(0),
	INTEL_KBL_ULX_GT2_IDS(0),
	INTEL_AML_KBL_GT2_IDS(0),
	INTEL_AML_CFL_GT2_IDS(0),
};

static const u16 subplatform_portf_ids[] = {
	INTEL_ICL_PORT_F_IDS(0),
};

static const u16 subplatform_uy_ids[] = {
	INTEL_TGL_12_GT2_IDS(0),
};

static const u16 subplatform_n_ids[] = {
	INTEL_ADLN_IDS(0),
};

static const u16 subplatform_rpl_ids[] = {
	INTEL_RPLS_IDS(0),
	INTEL_RPLP_IDS(0),
};

static const u16 subplatform_g10_ids[] = {
	INTEL_DG2_G10_IDS(0),
	INTEL_ATS_M150_IDS(0),
};

static const u16 subplatform_g11_ids[] = {
	INTEL_DG2_G11_IDS(0),
	INTEL_ATS_M75_IDS(0),
};

static const u16 subplatform_g12_ids[] = {
	INTEL_DG2_G12_IDS(0),
};

static const u16 subplatform_m_ids[] = {
	INTEL_MTL_M_IDS(0),
};

static const u16 subplatform_p_ids[] = {
	INTEL_MTL_P_IDS(0),
};

static bool find_devid(u16 id, const u16 *p, unsigned int num)
{
	for (; num; num--, p++) {
		if (*p == id)
			return true;
	}

	return false;
}

void intel_device_info_subplatform_init(struct drm_i915_private *i915)
{
	const struct intel_device_info *info = INTEL_INFO(i915);
	const struct intel_runtime_info *rinfo = RUNTIME_INFO(i915);
	const unsigned int pi = __platform_mask_index(rinfo, info->platform);
	const unsigned int pb = __platform_mask_bit(rinfo, info->platform);
	u16 devid = INTEL_DEVID(i915);
	u32 mask = 0;

	/* Make sure IS_<platform> checks are working. */
	RUNTIME_INFO(i915)->platform_mask[pi] = BIT(pb);

	/* Find and mark subplatform bits based on the PCI device id. */
	if (find_devid(devid, subplatform_ult_ids,
		       ARRAY_SIZE(subplatform_ult_ids))) {
		mask = BIT(INTEL_SUBPLATFORM_ULT);
	} else if (find_devid(devid, subplatform_ulx_ids,
			      ARRAY_SIZE(subplatform_ulx_ids))) {
		mask = BIT(INTEL_SUBPLATFORM_ULX);
		if (IS_HASWELL(i915) || IS_BROADWELL(i915)) {
			/* ULX machines are also considered ULT. */
			mask |= BIT(INTEL_SUBPLATFORM_ULT);
		}
	} else if (find_devid(devid, subplatform_portf_ids,
			      ARRAY_SIZE(subplatform_portf_ids))) {
		mask = BIT(INTEL_SUBPLATFORM_PORTF);
	} else if (find_devid(devid, subplatform_uy_ids,
			   ARRAY_SIZE(subplatform_uy_ids))) {
		mask = BIT(INTEL_SUBPLATFORM_UY);
	} else if (find_devid(devid, subplatform_n_ids,
				ARRAY_SIZE(subplatform_n_ids))) {
		mask = BIT(INTEL_SUBPLATFORM_N);
	} else if (find_devid(devid, subplatform_rpl_ids,
			      ARRAY_SIZE(subplatform_rpl_ids))) {
		mask = BIT(INTEL_SUBPLATFORM_RPL);
	} else if (find_devid(devid, subplatform_g10_ids,
			      ARRAY_SIZE(subplatform_g10_ids))) {
		mask = BIT(INTEL_SUBPLATFORM_G10);
	} else if (find_devid(devid, subplatform_g11_ids,
			      ARRAY_SIZE(subplatform_g11_ids))) {
		mask = BIT(INTEL_SUBPLATFORM_G11);
	} else if (find_devid(devid, subplatform_g12_ids,
			      ARRAY_SIZE(subplatform_g12_ids))) {
		mask = BIT(INTEL_SUBPLATFORM_G12);
	} else if (find_devid(devid, subplatform_m_ids,
			      ARRAY_SIZE(subplatform_m_ids))) {
		mask = BIT(INTEL_SUBPLATFORM_M);
	} else if (find_devid(devid, subplatform_p_ids,
			      ARRAY_SIZE(subplatform_p_ids))) {
		mask = BIT(INTEL_SUBPLATFORM_P);
	}

	GEM_BUG_ON(mask & ~INTEL_SUBPLATFORM_MASK);

	RUNTIME_INFO(i915)->platform_mask[pi] |= mask;
}

/**
 * intel_device_info_runtime_init - initialize runtime info
 * @dev_priv: the i915 device
 *
 * Determine various intel_device_info fields at runtime.
 *
 * Use it when either:
 *   - it's judged too laborious to fill n static structures with the limit
 *     when a simple if statement does the job,
 *   - run-time checks (eg read fuse/strap registers) are needed.
 *
 * This function needs to be called:
 *   - after the MMIO has been setup as we are reading registers,
 *   - after the PCH has been detected,
 *   - before the first usage of the fields it can tweak.
 */
void intel_device_info_runtime_init(struct drm_i915_private *dev_priv)
{
	struct intel_device_info *info = mkwrite_device_info(dev_priv);
	struct intel_runtime_info *runtime = RUNTIME_INFO(dev_priv);
	enum pipe pipe;

	/* Wa_14011765242: adl-s A0,A1 */
	if (IS_ADLS_DISPLAY_STEP(dev_priv, STEP_A0, STEP_A2))
		for_each_pipe(dev_priv, pipe)
			runtime->num_scalers[pipe] = 0;
	else if (DISPLAY_VER(dev_priv) >= 11) {
		for_each_pipe(dev_priv, pipe)
			runtime->num_scalers[pipe] = 2;
	} else if (DISPLAY_VER(dev_priv) >= 9) {
		runtime->num_scalers[PIPE_A] = 2;
		runtime->num_scalers[PIPE_B] = 2;
		runtime->num_scalers[PIPE_C] = 1;
	}

	BUILD_BUG_ON(BITS_PER_TYPE(intel_engine_mask_t) < I915_NUM_ENGINES);

	if (DISPLAY_VER(dev_priv) >= 13 || HAS_D12_PLANE_MINIMIZATION(dev_priv))
		for_each_pipe(dev_priv, pipe)
			runtime->num_sprites[pipe] = 4;
	else if (DISPLAY_VER(dev_priv) >= 11)
		for_each_pipe(dev_priv, pipe)
			runtime->num_sprites[pipe] = 6;
	else if (DISPLAY_VER(dev_priv) == 10)
		for_each_pipe(dev_priv, pipe)
			runtime->num_sprites[pipe] = 3;
	else if (IS_BROXTON(dev_priv)) {
		/*
		 * Skylake and Broxton currently don't expose the topmost plane as its
		 * use is exclusive with the legacy cursor and we only want to expose
		 * one of those, not both. Until we can safely expose the topmost plane
		 * as a DRM_PLANE_TYPE_CURSOR with all the features exposed/supported,
		 * we don't expose the topmost plane at all to prevent ABI breakage
		 * down the line.
		 */

		runtime->num_sprites[PIPE_A] = 2;
		runtime->num_sprites[PIPE_B] = 2;
		runtime->num_sprites[PIPE_C] = 1;
	} else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
		for_each_pipe(dev_priv, pipe)
			runtime->num_sprites[pipe] = 2;
	} else if (DISPLAY_VER(dev_priv) >= 5 || IS_G4X(dev_priv)) {
		for_each_pipe(dev_priv, pipe)
			runtime->num_sprites[pipe] = 1;
	}

	if (HAS_DISPLAY(dev_priv) && IS_GRAPHICS_VER(dev_priv, 7, 8) &&
	    HAS_PCH_SPLIT(dev_priv)) {
		u32 fuse_strap = intel_de_read(dev_priv, FUSE_STRAP);
		u32 sfuse_strap = intel_de_read(dev_priv, SFUSE_STRAP);

		/*
		 * SFUSE_STRAP is supposed to have a bit signalling the display
		 * is fused off. Unfortunately it seems that, at least in
		 * certain cases, fused off display means that PCH display
		 * reads don't land anywhere. In that case, we read 0s.
		 *
		 * On CPT/PPT, we can detect this case as SFUSE_STRAP_FUSE_LOCK
		 * should be set when taking over after the firmware.
		 */
		if (fuse_strap & ILK_INTERNAL_DISPLAY_DISABLE ||
		    sfuse_strap & SFUSE_STRAP_DISPLAY_DISABLED ||
		    (HAS_PCH_CPT(dev_priv) &&
		     !(sfuse_strap & SFUSE_STRAP_FUSE_LOCK))) {
			drm_info(&dev_priv->drm,
				 "Display fused off, disabling\n");
			info->display.pipe_mask = 0;
			info->display.cpu_transcoder_mask = 0;
			info->display.fbc_mask = 0;
		} else if (fuse_strap & IVB_PIPE_C_DISABLE) {
			drm_info(&dev_priv->drm, "PipeC fused off\n");
			info->display.pipe_mask &= ~BIT(PIPE_C);
			info->display.cpu_transcoder_mask &= ~BIT(TRANSCODER_C);
		}
	} else if (HAS_DISPLAY(dev_priv) && DISPLAY_VER(dev_priv) >= 9) {
		u32 dfsm = intel_de_read(dev_priv, SKL_DFSM);

		if (dfsm & SKL_DFSM_PIPE_A_DISABLE) {
			info->display.pipe_mask &= ~BIT(PIPE_A);
			info->display.cpu_transcoder_mask &= ~BIT(TRANSCODER_A);
			info->display.fbc_mask &= ~BIT(INTEL_FBC_A);
		}
		if (dfsm & SKL_DFSM_PIPE_B_DISABLE) {
			info->display.pipe_mask &= ~BIT(PIPE_B);
			info->display.cpu_transcoder_mask &= ~BIT(TRANSCODER_B);
		}
		if (dfsm & SKL_DFSM_PIPE_C_DISABLE) {
			info->display.pipe_mask &= ~BIT(PIPE_C);
			info->display.cpu_transcoder_mask &= ~BIT(TRANSCODER_C);
		}

		if (DISPLAY_VER(dev_priv) >= 12 &&
		    (dfsm & TGL_DFSM_PIPE_D_DISABLE)) {
			info->display.pipe_mask &= ~BIT(PIPE_D);
			info->display.cpu_transcoder_mask &= ~BIT(TRANSCODER_D);
		}

		if (dfsm & SKL_DFSM_DISPLAY_HDCP_DISABLE)
			info->display.has_hdcp = 0;

		if (dfsm & SKL_DFSM_DISPLAY_PM_DISABLE)
			info->display.fbc_mask = 0;

		if (DISPLAY_VER(dev_priv) >= 11 && (dfsm & ICL_DFSM_DMC_DISABLE))
			info->display.has_dmc = 0;

		if (DISPLAY_VER(dev_priv) >= 10 &&
		    (dfsm & GLK_DFSM_DISPLAY_DSC_DISABLE))
			info->display.has_dsc = 0;
	}

	if (GRAPHICS_VER(dev_priv) == 6 && i915_vtd_active(dev_priv)) {
		drm_info(&dev_priv->drm,
			 "Disabling ppGTT for VT-d support\n");
		info->ppgtt_type = INTEL_PPGTT_NONE;
	}

	runtime->rawclk_freq = intel_read_rawclk(dev_priv);
	drm_dbg(&dev_priv->drm, "rawclk rate: %d kHz\n", runtime->rawclk_freq);

	if (!HAS_DISPLAY(dev_priv)) {
		dev_priv->drm.driver_features &= ~(DRIVER_MODESET |
						   DRIVER_ATOMIC);
		memset(&info->display, 0, sizeof(info->display));
		memset(runtime->num_sprites, 0, sizeof(runtime->num_sprites));
		memset(runtime->num_scalers, 0, sizeof(runtime->num_scalers));
	}
}

void intel_driver_caps_print(const struct intel_driver_caps *caps,
			     struct drm_printer *p)
{
	drm_printf(p, "Has logical contexts? %s\n",
		   str_yes_no(caps->has_logical_contexts));
	drm_printf(p, "scheduler: %x\n", caps->scheduler);
}
Commit	Line	Data
94b4f3ba CW	1	/*
	2	* Copyright © 2016 Intel Corporation
	3	*
	4	* Permission is hereby granted, free of charge, to any person obtaining a
	5	* copy of this software and associated documentation files (the "Software"),
	6	* to deal in the Software without restriction, including without limitation
	7	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	8	* and/or sell copies of the Software, and to permit persons to whom the
	9	* Software is furnished to do so, subject to the following conditions:
	10	*
	11	* The above copyright notice and this permission notice (including the next
	12	* paragraph) shall be included in all copies or substantial portions of the
	13	* Software.
	14	*
	15	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	16	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	17	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	18	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	19	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
	20	* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
	21	* IN THE SOFTWARE.
	22	*
	23	*/
	24
01fabda8 LDM	25	#include <linux/string_helpers.h>
01fabda8 LDM	26
a8c9b849	27	#include <drm/drm_print.h>
83d2bdb6	28	#include <drm/i915_pciids.h>
a8c9b849	29
b04002f4	30	#include "display/intel_cdclk.h"
fdeb6d02	31	#include "display/intel_de.h"
b978520d	32	#include "intel_device_info.h"
94b4f3ba	33	#include "i915_drv.h"
a7f46d5b	34	#include "i915_utils.h"
94b4f3ba	35
2e0d26f8 JN	36	#define PLATFORM_NAME(x) [INTEL_##x] = #x
	37	static const char * const platform_names[] = {
	38	PLATFORM_NAME(I830),
	39	PLATFORM_NAME(I845G),
	40	PLATFORM_NAME(I85X),
	41	PLATFORM_NAME(I865G),
	42	PLATFORM_NAME(I915G),
	43	PLATFORM_NAME(I915GM),
	44	PLATFORM_NAME(I945G),
	45	PLATFORM_NAME(I945GM),
	46	PLATFORM_NAME(G33),
	47	PLATFORM_NAME(PINEVIEW),
c0f86832 JN	48	PLATFORM_NAME(I965G),
c0f86832 JN	49	PLATFORM_NAME(I965GM),
f69c11ae JN	50	PLATFORM_NAME(G45),
f69c11ae JN	51	PLATFORM_NAME(GM45),
2e0d26f8 JN	52	PLATFORM_NAME(IRONLAKE),
	53	PLATFORM_NAME(SANDYBRIDGE),
	54	PLATFORM_NAME(IVYBRIDGE),
	55	PLATFORM_NAME(VALLEYVIEW),
	56	PLATFORM_NAME(HASWELL),
	57	PLATFORM_NAME(BROADWELL),
	58	PLATFORM_NAME(CHERRYVIEW),
	59	PLATFORM_NAME(SKYLAKE),
	60	PLATFORM_NAME(BROXTON),
	61	PLATFORM_NAME(KABYLAKE),
	62	PLATFORM_NAME(GEMINILAKE),
71851fa8	63	PLATFORM_NAME(COFFEELAKE),
5f4ae270	64	PLATFORM_NAME(COMETLAKE),
41231001	65	PLATFORM_NAME(ICELAKE),
897f2961	66	PLATFORM_NAME(ELKHARTLAKE),
24ea098b	67	PLATFORM_NAME(JASPERLAKE),
abd3a0fe	68	PLATFORM_NAME(TIGERLAKE),
123f62de	69	PLATFORM_NAME(ROCKETLAKE),
05e26584	70	PLATFORM_NAME(DG1),
0883d63b	71	PLATFORM_NAME(ALDERLAKE_S),
bdd27cad	72	PLATFORM_NAME(ALDERLAKE_P),
086df54e	73	PLATFORM_NAME(XEHPSDV),
9e22cfc5	74	PLATFORM_NAME(DG2),
448a54ac	75	PLATFORM_NAME(PONTEVECCHIO),
bcf9b296	76	PLATFORM_NAME(METEORLAKE),
2e0d26f8 JN	77	};
	78	#undef PLATFORM_NAME
	79
	80	const char *intel_platform_name(enum intel_platform platform)
	81	{
9160095c JN	82	BUILD_BUG_ON(ARRAY_SIZE(platform_names) != INTEL_MAX_PLATFORMS);
9160095c JN	83
2e0d26f8 JN	84	if (WARN_ON_ONCE(platform >= ARRAY_SIZE(platform_names) \|\|
	85	platform_names[platform] == NULL))
	86	return "<unknown>";
	87
	88	return platform_names[platform];
	89	}
	90
72404978 CW	91	void intel_device_info_print_static(const struct intel_device_info *info,
	92	struct drm_printer *p)
	93	{
a5b7ef27 JRS	94	if (info->graphics.rel)
	95	drm_printf(p, "graphics version: %u.%02u\n", info->graphics.ver,
	96	info->graphics.rel);
ca6374e2	97	else
a5b7ef27	98	drm_printf(p, "graphics version: %u\n", info->graphics.ver);
ca6374e2	99
a5b7ef27 JRS	100	if (info->media.rel)
a5b7ef27 JRS	101	drm_printf(p, "media version: %u.%02u\n", info->media.ver, info->media.rel);
ca6374e2	102	else
a5b7ef27	103	drm_printf(p, "media version: %u\n", info->media.ver);
ca6374e2	104
a5b7ef27 JRS	105	if (info->display.rel)
a5b7ef27 JRS	106	drm_printf(p, "display version: %u.%02u\n", info->display.ver, info->display.rel);
ca6374e2	107	else
a5b7ef27	108	drm_printf(p, "display version: %u\n", info->display.ver);
ca6374e2	109
72404978	110	drm_printf(p, "gt: %d\n", info->gt);
72404978 CW	111	drm_printf(p, "memory-regions: %x\n", info->memory_regions);
	112	drm_printf(p, "page-sizes: %x\n", info->page_sizes);
	113	drm_printf(p, "platform: %s\n", intel_platform_name(info->platform));
	114	drm_printf(p, "ppgtt-size: %d\n", info->ppgtt_size);
	115	drm_printf(p, "ppgtt-type: %d\n", info->ppgtt_type);
31a02eb7	116	drm_printf(p, "dma_mask_size: %u\n", info->dma_mask_size);
72404978	117
01fabda8	118	#define PRINT_FLAG(name) drm_printf(p, "%s: %s\n", #name, str_yes_no(info->name))
a8c9b849 MW	119	DEV_INFO_FOR_EACH_FLAG(PRINT_FLAG);
a8c9b849 MW	120	#undef PRINT_FLAG
d53db442	121
01fabda8	122	#define PRINT_FLAG(name) drm_printf(p, "%s: %s\n", #name, str_yes_no(info->display.name))
d53db442 JRS	123	DEV_INFO_DISPLAY_FOR_EACH_FLAG(PRINT_FLAG);
d53db442 JRS	124	#undef PRINT_FLAG
a8c9b849 MW	125	}
a8c9b849 MW	126
72404978 CW	127	void intel_device_info_print_runtime(const struct intel_runtime_info *info,
72404978 CW	128	struct drm_printer *p)
5fbbe8d4	129	{
b04002f4	130	drm_printf(p, "rawclk rate: %u kHz\n", info->rawclk_freq);
dab91783 LL	131	}
dab91783 LL	132
805446c8 TU	133	#undef INTEL_VGA_DEVICE
	134	#define INTEL_VGA_DEVICE(id, info) (id)
	135
	136	static const u16 subplatform_ult_ids[] = {
	137	INTEL_HSW_ULT_GT1_IDS(0),
	138	INTEL_HSW_ULT_GT2_IDS(0),
	139	INTEL_HSW_ULT_GT3_IDS(0),
	140	INTEL_BDW_ULT_GT1_IDS(0),
	141	INTEL_BDW_ULT_GT2_IDS(0),
	142	INTEL_BDW_ULT_GT3_IDS(0),
	143	INTEL_BDW_ULT_RSVD_IDS(0),
	144	INTEL_SKL_ULT_GT1_IDS(0),
	145	INTEL_SKL_ULT_GT2_IDS(0),
	146	INTEL_SKL_ULT_GT3_IDS(0),
	147	INTEL_KBL_ULT_GT1_IDS(0),
	148	INTEL_KBL_ULT_GT2_IDS(0),
	149	INTEL_KBL_ULT_GT3_IDS(0),
	150	INTEL_CFL_U_GT2_IDS(0),
	151	INTEL_CFL_U_GT3_IDS(0),
	152	INTEL_WHL_U_GT1_IDS(0),
	153	INTEL_WHL_U_GT2_IDS(0),
c3ad8d29	154	INTEL_WHL_U_GT3_IDS(0),
8717c6b7 LS	155	INTEL_CML_U_GT1_IDS(0),
8717c6b7 LS	156	INTEL_CML_U_GT2_IDS(0),
805446c8 TU	157	};
	158
	159	static const u16 subplatform_ulx_ids[] = {
	160	INTEL_HSW_ULX_GT1_IDS(0),
	161	INTEL_HSW_ULX_GT2_IDS(0),
	162	INTEL_BDW_ULX_GT1_IDS(0),
	163	INTEL_BDW_ULX_GT2_IDS(0),
	164	INTEL_BDW_ULX_GT3_IDS(0),
	165	INTEL_BDW_ULX_RSVD_IDS(0),
	166	INTEL_SKL_ULX_GT1_IDS(0),
	167	INTEL_SKL_ULX_GT2_IDS(0),
	168	INTEL_KBL_ULX_GT1_IDS(0),
c3ad8d29	169	INTEL_KBL_ULX_GT2_IDS(0),
805446c8	170	INTEL_AML_KBL_GT2_IDS(0),
c3ad8d29	171	INTEL_AML_CFL_GT2_IDS(0),
805446c8 TU	172	};
	173
	174	static const u16 subplatform_portf_ids[] = {
c3ad8d29	175	INTEL_ICL_PORT_F_IDS(0),
805446c8 TU	176	};
805446c8 TU	177
b9ef8939 JRS	178	static const u16 subplatform_uy_ids[] = {
	179	INTEL_TGL_12_GT2_IDS(0),
	180	};
	181
7e28d0b2 TU	182	static const u16 subplatform_n_ids[] = {
	183	INTEL_ADLN_IDS(0),
	184	};
	185
72c3c8d6	186	static const u16 subplatform_rpl_ids[] = {
52407c22	187	INTEL_RPLS_IDS(0),
72c3c8d6	188	INTEL_RPLP_IDS(0),
52407c22 AS	189	};
52407c22 AS	190
1bc4ae0c MR	191	static const u16 subplatform_g10_ids[] = {
1bc4ae0c MR	192	INTEL_DG2_G10_IDS(0),
8618b848	193	INTEL_ATS_M150_IDS(0),
1bc4ae0c MR	194	};
	195
	196	static const u16 subplatform_g11_ids[] = {
	197	INTEL_DG2_G11_IDS(0),
8618b848	198	INTEL_ATS_M75_IDS(0),
1bc4ae0c MR	199	};
	200
	201	static const u16 subplatform_g12_ids[] = {
	202	INTEL_DG2_G12_IDS(0),
52407c22 AS	203	};
52407c22 AS	204
78353039 RS	205	static const u16 subplatform_m_ids[] = {
	206	INTEL_MTL_M_IDS(0),
	207	};
	208
	209	static const u16 subplatform_p_ids[] = {
	210	INTEL_MTL_P_IDS(0),
	211	};
	212
805446c8 TU	213	static bool find_devid(u16 id, const u16 *p, unsigned int num)
	214	{
	215	for (; num; num--, p++) {
	216	if (*p == id)
	217	return true;
	218	}
	219
	220	return false;
	221	}
	222
	223	void intel_device_info_subplatform_init(struct drm_i915_private *i915)
	224	{
	225	const struct intel_device_info *info = INTEL_INFO(i915);
	226	const struct intel_runtime_info *rinfo = RUNTIME_INFO(i915);
	227	const unsigned int pi = __platform_mask_index(rinfo, info->platform);
	228	const unsigned int pb = __platform_mask_bit(rinfo, info->platform);
	229	u16 devid = INTEL_DEVID(i915);
640cde65	230	u32 mask = 0;
805446c8 TU	231
	232	/* Make sure IS_<platform> checks are working. */
	233	RUNTIME_INFO(i915)->platform_mask[pi] = BIT(pb);
	234
	235	/* Find and mark subplatform bits based on the PCI device id. */
	236	if (find_devid(devid, subplatform_ult_ids,
	237	ARRAY_SIZE(subplatform_ult_ids))) {
	238	mask = BIT(INTEL_SUBPLATFORM_ULT);
	239	} else if (find_devid(devid, subplatform_ulx_ids,
	240	ARRAY_SIZE(subplatform_ulx_ids))) {
	241	mask = BIT(INTEL_SUBPLATFORM_ULX);
	242	if (IS_HASWELL(i915) \|\| IS_BROADWELL(i915)) {
	243	/* ULX machines are also considered ULT. */
	244	mask \|= BIT(INTEL_SUBPLATFORM_ULT);
	245	}
805446c8 TU	246	} else if (find_devid(devid, subplatform_portf_ids,
	247	ARRAY_SIZE(subplatform_portf_ids))) {
	248	mask = BIT(INTEL_SUBPLATFORM_PORTF);
b9ef8939 JRS	249	} else if (find_devid(devid, subplatform_uy_ids,
	250	ARRAY_SIZE(subplatform_uy_ids))) {
	251	mask = BIT(INTEL_SUBPLATFORM_UY);
7e28d0b2 TU	252	} else if (find_devid(devid, subplatform_n_ids,
	253	ARRAY_SIZE(subplatform_n_ids))) {
	254	mask = BIT(INTEL_SUBPLATFORM_N);
72c3c8d6 MA	255	} else if (find_devid(devid, subplatform_rpl_ids,
	256	ARRAY_SIZE(subplatform_rpl_ids))) {
	257	mask = BIT(INTEL_SUBPLATFORM_RPL);
1bc4ae0c MR	258	} else if (find_devid(devid, subplatform_g10_ids,
	259	ARRAY_SIZE(subplatform_g10_ids))) {
	260	mask = BIT(INTEL_SUBPLATFORM_G10);
	261	} else if (find_devid(devid, subplatform_g11_ids,
	262	ARRAY_SIZE(subplatform_g11_ids))) {
	263	mask = BIT(INTEL_SUBPLATFORM_G11);
	264	} else if (find_devid(devid, subplatform_g12_ids,
	265	ARRAY_SIZE(subplatform_g12_ids))) {
	266	mask = BIT(INTEL_SUBPLATFORM_G12);
78353039 RS	267	} else if (find_devid(devid, subplatform_m_ids,
	268	ARRAY_SIZE(subplatform_m_ids))) {
	269	mask = BIT(INTEL_SUBPLATFORM_M);
	270	} else if (find_devid(devid, subplatform_p_ids,
	271	ARRAY_SIZE(subplatform_p_ids))) {
	272	mask = BIT(INTEL_SUBPLATFORM_P);
805446c8 TU	273	}
805446c8 TU	274
56afa701	275	GEM_BUG_ON(mask & ~INTEL_SUBPLATFORM_MASK);
805446c8 TU	276
	277	RUNTIME_INFO(i915)->platform_mask[pi] \|= mask;
	278	}
	279
6a7e51f3 MW	280	/**
6a7e51f3 MW	281	* intel_device_info_runtime_init - initialize runtime info
963cc126	282	* @dev_priv: the i915 device
6a7e51f3	283	*
94b4f3ba CW	284	* Determine various intel_device_info fields at runtime.
	285	*
	286	* Use it when either:
	287	* - it's judged too laborious to fill n static structures with the limit
	288	* when a simple if statement does the job,
	289	* - run-time checks (eg read fuse/strap registers) are needed.
	290	*
	291	* This function needs to be called:
	292	* - after the MMIO has been setup as we are reading registers,
	293	* - after the PCH has been detected,
	294	* - before the first usage of the fields it can tweak.
	295	*/
1400cc7e	296	void intel_device_info_runtime_init(struct drm_i915_private *dev_priv)
94b4f3ba	297	{
1400cc7e	298	struct intel_device_info *info = mkwrite_device_info(dev_priv);
0258404f	299	struct intel_runtime_info *runtime = RUNTIME_INFO(dev_priv);
94b4f3ba CW	300	enum pipe pipe;
94b4f3ba CW	301
8ff36e02	302	/* Wa_14011765242: adl-s A0,A1 */
46b0d709	303	if (IS_ADLS_DISPLAY_STEP(dev_priv, STEP_A0, STEP_A2))
ea27113e AS	304	for_each_pipe(dev_priv, pipe)
ea27113e AS	305	runtime->num_scalers[pipe] = 0;
4c6b3021	306	else if (DISPLAY_VER(dev_priv) >= 11) {
6e7406db	307	for_each_pipe(dev_priv, pipe)
0258404f	308	runtime->num_scalers[pipe] = 2;
4c6b3021	309	} else if (DISPLAY_VER(dev_priv) >= 9) {
0258404f JN	310	runtime->num_scalers[PIPE_A] = 2;
	311	runtime->num_scalers[PIPE_B] = 2;
	312	runtime->num_scalers[PIPE_C] = 1;
0bf0230e ACO	313	}
0bf0230e ACO	314
8a68d464	315	BUILD_BUG_ON(BITS_PER_TYPE(intel_engine_mask_t) < I915_NUM_ENGINES);
022d3093	316
1649a4cc	317	if (DISPLAY_VER(dev_priv) >= 13 \|\| HAS_D12_PLANE_MINIMIZATION(dev_priv))
99e2d8bc MR	318	for_each_pipe(dev_priv, pipe)
99e2d8bc MR	319	runtime->num_sprites[pipe] = 4;
4c6b3021	320	else if (DISPLAY_VER(dev_priv) >= 11)
6711bd73	321	for_each_pipe(dev_priv, pipe)
0258404f	322	runtime->num_sprites[pipe] = 6;
4c6b3021	323	else if (DISPLAY_VER(dev_priv) == 10)
e9c98825	324	for_each_pipe(dev_priv, pipe)
0258404f	325	runtime->num_sprites[pipe] = 3;
e9c98825	326	else if (IS_BROXTON(dev_priv)) {
6711bd73 ML	327	/*
	328	* Skylake and Broxton currently don't expose the topmost plane as its
	329	* use is exclusive with the legacy cursor and we only want to expose
	330	* one of those, not both. Until we can safely expose the topmost plane
	331	* as a DRM_PLANE_TYPE_CURSOR with all the features exposed/supported,
	332	* we don't expose the topmost plane at all to prevent ABI breakage
	333	* down the line.
	334	*/
	335
0258404f JN	336	runtime->num_sprites[PIPE_A] = 2;
	337	runtime->num_sprites[PIPE_B] = 2;
	338	runtime->num_sprites[PIPE_C] = 1;
33edc24d	339	} else if (IS_VALLEYVIEW(dev_priv) \|\| IS_CHERRYVIEW(dev_priv)) {
94b4f3ba	340	for_each_pipe(dev_priv, pipe)
0258404f	341	runtime->num_sprites[pipe] = 2;
4c6b3021	342	} else if (DISPLAY_VER(dev_priv) >= 5 \|\| IS_G4X(dev_priv)) {
94b4f3ba	343	for_each_pipe(dev_priv, pipe)
0258404f	344	runtime->num_sprites[pipe] = 1;
33edc24d	345	}
94b4f3ba	346
651e7d48	347	if (HAS_DISPLAY(dev_priv) && IS_GRAPHICS_VER(dev_priv, 7, 8) &&
ef404bc6	348	HAS_PCH_SPLIT(dev_priv)) {
fdeb6d02 DCS	349	u32 fuse_strap = intel_de_read(dev_priv, FUSE_STRAP);
fdeb6d02 DCS	350	u32 sfuse_strap = intel_de_read(dev_priv, SFUSE_STRAP);
94b4f3ba CW	351
	352	/*
	353	* SFUSE_STRAP is supposed to have a bit signalling the display
	354	* is fused off. Unfortunately it seems that, at least in
	355	* certain cases, fused off display means that PCH display
	356	* reads don't land anywhere. In that case, we read 0s.
	357	*
	358	* On CPT/PPT, we can detect this case as SFUSE_STRAP_FUSE_LOCK
	359	* should be set when taking over after the firmware.
	360	*/
	361	if (fuse_strap & ILK_INTERNAL_DISPLAY_DISABLE \|\|
	362	sfuse_strap & SFUSE_STRAP_DISPLAY_DISABLED \|\|
b9eb89b2	363	(HAS_PCH_CPT(dev_priv) &&
94b4f3ba	364	!(sfuse_strap & SFUSE_STRAP_FUSE_LOCK))) {
68b32717 WK	365	drm_info(&dev_priv->drm,
68b32717 WK	366	"Display fused off, disabling\n");
6678916d VS	367	info->display.pipe_mask = 0;
6678916d VS	368	info->display.cpu_transcoder_mask = 0;
b8ca477e	369	info->display.fbc_mask = 0;
94b4f3ba	370	} else if (fuse_strap & IVB_PIPE_C_DISABLE) {
68b32717	371	drm_info(&dev_priv->drm, "PipeC fused off\n");
6678916d VS	372	info->display.pipe_mask &= ~BIT(PIPE_C);
6678916d VS	373	info->display.cpu_transcoder_mask &= ~BIT(TRANSCODER_C);
94b4f3ba	374	}
4fd17728	375	} else if (HAS_DISPLAY(dev_priv) && DISPLAY_VER(dev_priv) >= 9) {
fdeb6d02	376	u32 dfsm = intel_de_read(dev_priv, SKL_DFSM);
94b4f3ba	377
10cf8e75	378	if (dfsm & SKL_DFSM_PIPE_A_DISABLE) {
6678916d VS	379	info->display.pipe_mask &= ~BIT(PIPE_A);
6678916d VS	380	info->display.cpu_transcoder_mask &= ~BIT(TRANSCODER_A);
b8ca477e	381	info->display.fbc_mask &= ~BIT(INTEL_FBC_A);
10cf8e75 VS	382	}
10cf8e75 VS	383	if (dfsm & SKL_DFSM_PIPE_B_DISABLE) {
6678916d VS	384	info->display.pipe_mask &= ~BIT(PIPE_B);
6678916d VS	385	info->display.cpu_transcoder_mask &= ~BIT(TRANSCODER_B);
10cf8e75 VS	386	}
10cf8e75 VS	387	if (dfsm & SKL_DFSM_PIPE_C_DISABLE) {
6678916d VS	388	info->display.pipe_mask &= ~BIT(PIPE_C);
6678916d VS	389	info->display.cpu_transcoder_mask &= ~BIT(TRANSCODER_C);
10cf8e75	390	}
4fd17728 LDM	391
4fd17728 LDM	392	if (DISPLAY_VER(dev_priv) >= 12 &&
10cf8e75	393	(dfsm & TGL_DFSM_PIPE_D_DISABLE)) {
6678916d VS	394	info->display.pipe_mask &= ~BIT(PIPE_D);
6678916d VS	395	info->display.cpu_transcoder_mask &= ~BIT(TRANSCODER_D);
10cf8e75	396	}
74393109 JRS	397
	398	if (dfsm & SKL_DFSM_DISPLAY_HDCP_DISABLE)
	399	info->display.has_hdcp = 0;
7a40aac1 JRS	400
7a40aac1 JRS	401	if (dfsm & SKL_DFSM_DISPLAY_PM_DISABLE)
b8ca477e	402	info->display.fbc_mask = 0;
ee595888	403
4fd17728	404	if (DISPLAY_VER(dev_priv) >= 11 && (dfsm & ICL_DFSM_DMC_DISABLE))
ec2b1485	405	info->display.has_dmc = 0;
0f9ed3b2	406
4fd17728	407	if (DISPLAY_VER(dev_priv) >= 10 &&
a4d082fc	408	(dfsm & GLK_DFSM_DISPLAY_DSC_DISABLE))
0f9ed3b2	409	info->display.has_dsc = 0;
94b4f3ba CW	410	}
94b4f3ba CW	411
a7f46d5b	412	if (GRAPHICS_VER(dev_priv) == 6 && i915_vtd_active(dev_priv)) {
68b32717 WK	413	drm_info(&dev_priv->drm,
68b32717 WK	414	"Disabling ppGTT for VT-d support\n");
cbecbcca	415	info->ppgtt_type = INTEL_PPGTT_NONE;
4bdafb9d CW	416	}
4bdafb9d CW	417
b04002f4 CW	418	runtime->rawclk_freq = intel_read_rawclk(dev_priv);
	419	drm_dbg(&dev_priv->drm, "rawclk rate: %d kHz\n", runtime->rawclk_freq);
	420
5e0e390d JN	421	if (!HAS_DISPLAY(dev_priv)) {
	422	dev_priv->drm.driver_features &= ~(DRIVER_MODESET \|
	423	DRIVER_ATOMIC);
	424	memset(&info->display, 0, sizeof(info->display));
	425	memset(runtime->num_sprites, 0, sizeof(runtime->num_sprites));
	426	memset(runtime->num_scalers, 0, sizeof(runtime->num_scalers));
	427	}
94b4f3ba	428	}
3fed1808 CW	429
	430	void intel_driver_caps_print(const struct intel_driver_caps *caps,
	431	struct drm_printer *p)
	432	{
481827b4	433	drm_printf(p, "Has logical contexts? %s\n",
01fabda8	434	str_yes_no(caps->has_logical_contexts));
3fed1808 CW	435	drm_printf(p, "scheduler: %x\n", caps->scheduler);
3fed1808 CW	436	}