GEN8_CONFIG0 (0xD00) is a protected by a lock (bit 31) which is set by the BIOS, so there is no way we can enable the three chicken bits mandated by the WA (the BIOS should be doing it instead).
Signed-off-by: Oscar Mateo <[email protected]> Cc: Chris Wilson <[email protected]> Cc: Mika Kuoppala <[email protected]> --- drivers/gpu/drm/i915/i915_reg.h | 3 --- drivers/gpu/drm/i915/intel_workarounds.c | 2 -- 2 files changed, 5 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 5858f5f..02c66f3 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -355,9 +355,6 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg) #define ECOCHK_PPGTT_WT_HSW (0x2<<3) #define ECOCHK_PPGTT_WB_HSW (0x3<<3) -#define GEN8_CONFIG0 _MMIO(0xD00) -#define GEN9_DEFAULT_FIXES (1 << 3 | 1 << 2 | 1 << 1) - #define GAC_ECO_BITS _MMIO(0x14090) #define ECOBITS_SNB_BIT (1<<13) #define ECOBITS_PPGTT_CACHE64B (3<<8) diff --git a/drivers/gpu/drm/i915/intel_workarounds.c b/drivers/gpu/drm/i915/intel_workarounds.c index 5dcbfea..df47fad 100644 --- a/drivers/gpu/drm/i915/intel_workarounds.c +++ b/drivers/gpu/drm/i915/intel_workarounds.c @@ -656,8 +656,6 @@ static int gen9_mmio_workarounds_init(struct drm_i915_private *dev_priv) /* See Bspec note for PSR2_CTL bit 31, Wa#828:skl,bxt,kbl,cfl */ MMIO_WA_SET_BIT(CHICKEN_PAR1_1, SKL_EDP_PSR_FIX_RDWRAP); - MMIO_WA_SET_BIT(GEN8_CONFIG0, GEN9_DEFAULT_FIXES); - /* WaEnableChickenDCPR:skl,bxt,kbl,glk,cfl */ MMIO_WA_SET_BIT(GEN8_CHICKEN_DCPR_1, MASK_WAKEMEM); -- 1.9.1 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
