Bit12 of the Forcewake request register should not be cleared post
gen12. Do not touch this bit while clearing during fw domain reset.
v2: Tweak the comment to drop older platforms(MattR)
Bspec: 52542
Signed-off-by: Sushma Venkatesh Reddy <sushma.venkatesh.reddy@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220817224304.255767-1-radhakrishna.sripada@intel.com
* trying to reset here does exist at this point (engines could be fused
* off in ICL+), so no waiting for acks
*/
- /* WaRsClearFWBitsAtReset:bdw,skl */
- fw_clear(d, 0xffff);
+ /* WaRsClearFWBitsAtReset */
+ if (GRAPHICS_VER(d->uncore->i915) >= 12)
+ fw_clear(d, 0xefff);
+ else
+ fw_clear(d, 0xffff);
}
static inline void