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drm/i915/display: move CFL clock gating init to display

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Move the CFL/CML-specific display clock gating programming into
display intel_display_clock_gating.c, to remove more dependencies from
i915 to display registers.

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patch.msgid.link/20260428095104.818360-4-luciano.coelho@intel.com
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Luca Coelho 2026-04-28 12:48:21 +03:00
parent 3ee59cc405
commit 1f842b5e70
3 changed files with 11 additions and 5 deletions
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9
drivers/gpu/drm/i915/display/intel_display_clock_gating.c
View File

@ -26,3 +26,12 @@ void intel_display_kbl_init_clock_gating(struct intel_display *display)
*/
intel_de_rmw(display, DISP_ARB_CTL, 0, DISP_FBC_WM_DIS);
}
void intel_display_cfl_init_clock_gating(struct intel_display *display)
{
/*
* WaFbcTurnOffFbcWatermark:cfl
* Display WA #0562: cfl
*/
intel_de_rmw(display, DISP_ARB_CTL, 0, DISP_FBC_WM_DIS);
}

1
drivers/gpu/drm/i915/display/intel_display_clock_gating.h
View File

@ -10,5 +10,6 @@ struct intel_display;
void intel_display_skl_init_clock_gating(struct intel_display *display);
void intel_display_kbl_init_clock_gating(struct intel_display *display);
void intel_display_cfl_init_clock_gating(struct intel_display *display);
#endif /* __INTEL_DISPLAY_CLOCK_GATING_H__ */

6
drivers/gpu/drm/i915/intel_clock_gating.c
View File

@ -307,11 +307,7 @@ static void cfl_init_clock_gating(struct drm_i915_private *i915)
/* WAC6entrylatency:cfl */
intel_uncore_rmw(&i915->uncore, FBC_LLC_READ_CTRL, 0, FBC_LLC_FULLY_OPEN);
/*
* WaFbcTurnOffFbcWatermark:cfl
* Display WA #0562: cfl
*/
intel_uncore_rmw(&i915->uncore, DISP_ARB_CTL, 0, DISP_FBC_WM_DIS);
intel_display_cfl_init_clock_gating(i915->display);
}
static void kbl_init_clock_gating(struct drm_i915_private *i915)