diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:35:05 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:31 +0000 |
commit | 85c675d0d09a45a135bddd15d7b385f8758c32fb (patch) | |
tree | 76267dbc9b9a130337be3640948fe397b04ac629 /drivers/gpu/drm/i915/display/intel_display_wa.c | |
parent | Adding upstream version 6.6.15. (diff) | |
download | linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.tar.xz linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.zip |
Adding upstream version 6.7.7.upstream/6.7.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display_wa.c')
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_display_wa.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display_wa.c b/drivers/gpu/drm/i915/display/intel_display_wa.c new file mode 100644 index 000000000..ac136fd99 --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_display_wa.c @@ -0,0 +1,48 @@ +// SPDX-License-Identifier: MIT +/* + * Copyright © 2023 Intel Corporation + */ + +#include "i915_drv.h" +#include "i915_reg.h" +#include "intel_de.h" +#include "intel_display_wa.h" + +static void gen11_display_wa_apply(struct drm_i915_private *i915) +{ + /* Wa_1409120013 */ + intel_de_write(i915, ILK_DPFC_CHICKEN(INTEL_FBC_A), + DPFC_CHICKEN_COMP_DUMMY_PIXEL); + + /* Wa_14010594013 */ + intel_de_rmw(i915, GEN8_CHICKEN_DCPR_1, 0, ICL_DELAY_PMRSP); +} + +static void xe_d_display_wa_apply(struct drm_i915_private *i915) +{ + /* Wa_1409120013 */ + intel_de_write(i915, ILK_DPFC_CHICKEN(INTEL_FBC_A), + DPFC_CHICKEN_COMP_DUMMY_PIXEL); + + /* Wa_14013723622 */ + intel_de_rmw(i915, CLKREQ_POLICY, CLKREQ_POLICY_MEM_UP_OVRD, 0); +} + +static void adlp_display_wa_apply(struct drm_i915_private *i915) +{ + /* Wa_22011091694:adlp */ + intel_de_rmw(i915, GEN9_CLKGATE_DIS_5, 0, DPCE_GATING_DIS); + + /* Bspec/49189 Initialize Sequence */ + intel_de_rmw(i915, GEN8_CHICKEN_DCPR_1, DDI_CLOCK_REG_ACCESS, 0); +} + +void intel_display_wa_apply(struct drm_i915_private *i915) +{ + if (IS_ALDERLAKE_P(i915)) + adlp_display_wa_apply(i915); + else if (DISPLAY_VER(i915) == 12) + xe_d_display_wa_apply(i915); + else if (DISPLAY_VER(i915) == 11) + gen11_display_wa_apply(i915); +} |