From: Ville Syrjälä ville.syrjala@linux.intel.com
We're going to need stuff after the color management register latching has happened. Add a corresponding hook.
Cc: stable@vger.kernel.org #v5.19+ Cc: stable@vger.kernel.org # 52a90349f2ed: drm/i915: Introduce intel_crtc_needs_fastset() Cc: stable@vger.kernel.org # 925ac8bc33bf: drm/i915: Remove some local 'mode_changed' bools Cc: stable@vger.kernel.org # f5e674e92e95: drm/i915: Introduce intel_crtc_needs_color_update() Cc: stable@vger.kernel.org # 4c35e5d11900: drm/i915: Activate DRRS after state readout Cc: Manasi Navare navaremanasi@google.com Cc: Drew Davenport ddavenport@chromium.org Cc: Imre Deak imre.deak@intel.com Cc: Jouni Högander jouni.hogander@intel.com Signed-off-by: Ville Syrjälä ville.syrjala@linux.intel.com Link: https://patchwork.freedesktop.org/patch/msgid/20230320095438.17328-4-ville.s... Reviewed-by: Imre Deak imre.deak@intel.com (cherry picked from commit 3962ca4e080a525fc9eae87aa6b2286f1fae351d) Signed-off-by: Jani Nikula jani.nikula@intel.com (cherry picked from commit c880f855d1e240a956dcfce884269bad92fc849c) --- drivers/gpu/drm/i915/display/intel_color.c | 13 +++++++++++++ drivers/gpu/drm/i915/display/intel_color.h | 1 + drivers/gpu/drm/i915/display/intel_display.c | 3 +++ 3 files changed, 17 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c index 61e2008c694c..41bf3ab7264a 100644 --- a/drivers/gpu/drm/i915/display/intel_color.c +++ b/drivers/gpu/drm/i915/display/intel_color.c @@ -47,6 +47,11 @@ struct intel_color_funcs { * registers involved with the same commit. */ void (*color_commit_arm)(const struct intel_crtc_state *crtc_state); + /* + * Perform any extra tasks needed after all the + * double buffered registers have been latched. + */ + void (*color_post_update)(const struct intel_crtc_state *crtc_state); /* * Load LUTs (and other single buffered color management * registers). Will (hopefully) be called during the vblank @@ -1205,6 +1210,14 @@ void intel_color_commit_arm(const struct intel_crtc_state *crtc_state) dev_priv->display.funcs.color->color_commit_arm(crtc_state); }
+void intel_color_post_update(const struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *i915 = to_i915(crtc_state->uapi.crtc->dev); + + if (i915->display.funcs.color->color_post_update) + i915->display.funcs.color->color_post_update(crtc_state); +} + static bool intel_can_preload_luts(const struct intel_crtc_state *new_crtc_state) { struct intel_crtc *crtc = to_intel_crtc(new_crtc_state->uapi.crtc); diff --git a/drivers/gpu/drm/i915/display/intel_color.h b/drivers/gpu/drm/i915/display/intel_color.h index 67702451e2fd..1ac4bf7e83bf 100644 --- a/drivers/gpu/drm/i915/display/intel_color.h +++ b/drivers/gpu/drm/i915/display/intel_color.h @@ -18,6 +18,7 @@ void intel_crtc_color_init(struct intel_crtc *crtc); int intel_color_check(struct intel_crtc_state *crtc_state); void intel_color_commit_noarm(const struct intel_crtc_state *crtc_state); void intel_color_commit_arm(const struct intel_crtc_state *crtc_state); +void intel_color_post_update(const struct intel_crtc_state *crtc_state); void intel_color_load_luts(const struct intel_crtc_state *crtc_state); void intel_color_get_config(struct intel_crtc_state *crtc_state); int intel_color_get_gamma_bit_precision(const struct intel_crtc_state *crtc_state); diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 227e3ffbde47..df566866d038 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -1252,6 +1252,9 @@ static void intel_post_plane_update(struct intel_atomic_state *state, if (needs_cursorclk_wa(old_crtc_state) && !needs_cursorclk_wa(new_crtc_state)) icl_wa_cursorclkgating(dev_priv, pipe, false); + + if (intel_crtc_needs_color_update(new_crtc_state)) + intel_color_post_update(new_crtc_state); }
static void intel_crtc_enable_flip_done(struct intel_atomic_state *state,