Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/i915/display: convert W/As in intel_pmdemand.c to new framework
Convert the low-hanging fruits of workaround checks to the workaround
framework. Instead of having display structure checks for the
workarounds all over, concentrate the checks in intel_display_wa.c.
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patch.msgid.link/20260305100100.332956-14-luciano.coelho@intel.com
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
+8
-3
+2
drivers/gpu/drm/i915/display/intel_display_wa.c
+2
drivers/gpu/drm/i915/display/intel_display_wa.c
···
100
100
IS_DISPLAY_STEP(display, STEP_A0, STEP_A2);
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case INTEL_DISPLAY_WA_14014143976:
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return IS_DISPLAY_STEP(display, STEP_E0, STEP_FOREVER);
103
+
case INTEL_DISPLAY_WA_14016740474:
104
+
return IS_DISPLAY_VERx100_STEP(display, 1400, STEP_A0, STEP_C0);
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105
case INTEL_DISPLAY_WA_14020863754:
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return DISPLAY_VERx100(display) == 3000 ||
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DISPLAY_VERx100(display) == 2000 ||
+1
drivers/gpu/drm/i915/display/intel_display_wa.h
+1
drivers/gpu/drm/i915/display/intel_display_wa.h
+5
-3
drivers/gpu/drm/i915/display/intel_pmdemand.c
+5
-3
drivers/gpu/drm/i915/display/intel_pmdemand.c
···
15
15
#include "intel_display_regs.h"
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#include "intel_display_trace.h"
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#include "intel_display_utils.h"
18
+
#include "intel_display_wa.h"
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#include "intel_pmdemand.h"
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#include "intel_step.h"
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#include "skl_watermark.h"
···
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&pmdemand_state->base,
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&intel_pmdemand_funcs);
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133
-
if (IS_DISPLAY_VERx100_STEP(display, 1400, STEP_A0, STEP_C0))
134
-
/* Wa_14016740474 */
135
-
intel_de_rmw(display, XELPD_CHICKEN_DCPR_3, 0, DMD_RSP_TIMEOUT_DISABLE);
132
+
/* Wa_14016740474 */
133
+
if (intel_display_wa(display, INTEL_DISPLAY_WA_14016740474))
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+
intel_de_rmw(display, XELPD_CHICKEN_DCPR_3, 0,
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+
DMD_RSP_TIMEOUT_DISABLE);
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return 0;
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}