The patch below does not apply to the 6.1-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to stable@vger.kernel.org.
To reproduce the conflict and resubmit, you may use the following commands:
git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.1.y git checkout FETCH_HEAD git cherry-pick -x 76b767d4d1cd052e455cf18e06929e8b2b70101d # <resolve conflicts, build, test, etc.> git commit -s git send-email --to 'stable@vger.kernel.org' --in-reply-to '2023040340-kinswoman-generic-1bb5@gregkh' --subject-prefix 'PATCH 6.1.y' HEAD^..
Possible dependencies:
76b767d4d1cd ("drm/i915: Split icl_color_commit_noarm() from skl_color_commit_noarm()") 48205f42ae9b ("drm/i915: Get rid of glk_load_degamma_lut_linear()") b1d9092240b7 ("drm/i915: Assert {pre,post}_csc_lut were assigned sensibly") 18f1b5ae7eca ("drm/i915: Introduce crtc_state->{pre,post}_csc_lut") 5ca1493e252a ("drm/i915: Make ilk_load_luts() deal with degamma") a2b1d9ecaa75 ("drm/i915: Clean up some namespacing") adc831bfc885 ("drm/i915: Make DRRS debugfs per-crtc/connector") 2e25c1fba714 ("drm/i915: Make the DRRS debugfs contents more consistent") 61564e6c5a4a ("drm/i915: Move DRRS debugfs next to the implementation") 296cd8ecfd30 ("drm/i915: Change glk_load_degamma_lut() calling convention") 7671fc626526 ("drm/i915: Clean up intel_color_init_hooks()") 2a40e5848a95 ("drm/i915: Simplify the intel_color_init_hooks() if ladder") 064751a6c5dc ("drm/i915: Split up intel_color_init()") 319b0869f51c ("drm/i915: Remove PLL asserts from .load_luts()") 1bed8b073420 ("drm/i915/hotplug: move hotplug storm debugfs to intel_hotplug.c")
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From 76b767d4d1cd052e455cf18e06929e8b2b70101d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= ville.syrjala@linux.intel.com Date: Mon, 20 Mar 2023 11:54:33 +0200 Subject: [PATCH] drm/i915: Split icl_color_commit_noarm() from skl_color_commit_noarm() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit
We're going to want different behavior for skl/glk vs. icl in .color_commit_noarm(), so split the hook into two. Arguably we already had slightly different behaviour since csc_enable/gamma_enable are never set on icl+, so the old code was perhaps a bit confusing as well.
Cc: stable@vger.kernel.org #v5.19+ 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/20230320095438.17328-2-ville.s... Reviewed-by: Imre Deak imre.deak@intel.com (cherry picked from commit f161eb01f50ab31f2084975b43bce54b7b671e17) Signed-off-by: Jani Nikula jani.nikula@intel.com
diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c index 8d97c299e657..ce2c3819146c 100644 --- a/drivers/gpu/drm/i915/display/intel_color.c +++ b/drivers/gpu/drm/i915/display/intel_color.c @@ -677,6 +677,25 @@ static void skl_color_commit_arm(const struct intel_crtc_state *crtc_state) crtc_state->csc_mode); }
+static void icl_color_commit_arm(const struct intel_crtc_state *crtc_state) +{ + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + struct drm_i915_private *i915 = to_i915(crtc->base.dev); + enum pipe pipe = crtc->pipe; + + /* + * We don't (yet) allow userspace to control the pipe background color, + * so force it to black. + */ + intel_de_write(i915, SKL_BOTTOM_COLOR(pipe), 0); + + intel_de_write(i915, GAMMA_MODE(crtc->pipe), + crtc_state->gamma_mode); + + intel_de_write_fw(i915, PIPE_CSC_MODE(crtc->pipe), + crtc_state->csc_mode); +} + static struct drm_property_blob * create_linear_lut(struct drm_i915_private *i915, int lut_size) { @@ -3067,7 +3086,7 @@ static const struct intel_color_funcs i9xx_color_funcs = { static const struct intel_color_funcs icl_color_funcs = { .color_check = icl_color_check, .color_commit_noarm = icl_color_commit_noarm, - .color_commit_arm = skl_color_commit_arm, + .color_commit_arm = icl_color_commit_arm, .load_luts = icl_load_luts, .read_luts = icl_read_luts, .lut_equal = icl_lut_equal,