drm/radeon: fix display tiling setup on SI
authorAlex Deucher <alexander.deucher@amd.com>
Mon, 17 Feb 2014 19:16:31 +0000 (14:16 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 18 Feb 2014 18:41:03 +0000 (13:41 -0500)
Apply the same logic as CI to SI for setting up the
display tiling parameters.  The num banks may vary
per tiling index just like CI.

Bugs:
https://bugs.freedesktop.org/show_bug.cgi?id=71488
https://bugs.freedesktop.org/show_bug.cgi?id=73946
https://bugs.freedesktop.org/show_bug.cgi?id=74927

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
drivers/gpu/drm/radeon/atombios_crtc.c

index f0d409d846f28457fa60eb72bf8dff985b90f09b..0d19f4f94d5a065b2687399b559aaf43f4a5c587 100644 (file)
@@ -1176,7 +1176,7 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
                evergreen_tiling_fields(tiling_flags, &bankw, &bankh, &mtaspect, &tile_split);
 
                /* Set NUM_BANKS. */
-               if (rdev->family >= CHIP_BONAIRE) {
+               if (rdev->family >= CHIP_TAHITI) {
                        unsigned tileb, index, num_banks, tile_split_bytes;
 
                        /* Calculate the macrotile mode index. */
@@ -1194,13 +1194,14 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
                                return -EINVAL;
                        }
 
-                       num_banks = (rdev->config.cik.macrotile_mode_array[index] >> 6) & 0x3;
+                       if (rdev->family >= CHIP_BONAIRE)
+                               num_banks = (rdev->config.cik.macrotile_mode_array[index] >> 6) & 0x3;
+                       else
+                               num_banks = (rdev->config.si.tile_mode_array[index] >> 20) & 0x3;
                        fb_format |= EVERGREEN_GRPH_NUM_BANKS(num_banks);
                } else {
-                       /* SI and older. */
-                       if (rdev->family >= CHIP_TAHITI)
-                               tmp = rdev->config.si.tile_config;
-                       else if (rdev->family >= CHIP_CAYMAN)
+                       /* NI and older. */
+                       if (rdev->family >= CHIP_CAYMAN)
                                tmp = rdev->config.cayman.tile_config;
                        else
                                tmp = rdev->config.evergreen.tile_config;