summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorMelissa Wen <mwen@igalia.com>2025-09-11 14:21:19 -0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-11-13 15:34:40 -0500
commit86e7baf0ce1653f29342928069c64b451aa6f8cf (patch)
treefc4d79543864917610da2a1f63f6c641568bdb02
parent1a9dcdabc81179ae73cdad553db7db88a4dbfd86 (diff)
downloadlinux-86e7baf0ce1653f29342928069c64b451aa6f8cf.tar.gz
linux-86e7baf0ce1653f29342928069c64b451aa6f8cf.tar.bz2
linux-86e7baf0ce1653f29342928069c64b451aa6f8cf.zip
drm/amd/display: update color on atomic commit time
commit 2f9c63883730a0bfecb086e6e59246933f936ca1 upstream. Use `atomic_commit_setup` to change the DC stream state. It's a preparation to remove from `atomic_check` changes in CRTC color components of DC stream state and prevent DC to commit TEST_ONLY changes. Link: https://gitlab.freedesktop.org/drm/amd/-/issues/4444 Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Melissa Wen <mwen@igalia.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c36
1 files changed, 35 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index cd8c6887a3b5..820eee7e30c2 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -235,6 +235,7 @@ static int amdgpu_dm_encoder_init(struct drm_device *dev,
static int amdgpu_dm_connector_get_modes(struct drm_connector *connector);
+static int amdgpu_dm_atomic_setup_commit(struct drm_atomic_state *state);
static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state);
static int amdgpu_dm_atomic_check(struct drm_device *dev,
@@ -3509,7 +3510,7 @@ static const struct drm_mode_config_funcs amdgpu_dm_mode_funcs = {
static struct drm_mode_config_helper_funcs amdgpu_dm_mode_config_helperfuncs = {
.atomic_commit_tail = amdgpu_dm_atomic_commit_tail,
- .atomic_commit_setup = drm_dp_mst_atomic_setup_commit,
+ .atomic_commit_setup = amdgpu_dm_atomic_setup_commit,
};
static void update_connector_ext_caps(struct amdgpu_dm_connector *aconnector)
@@ -9902,6 +9903,39 @@ static void dm_set_writeback(struct amdgpu_display_manager *dm,
drm_writeback_queue_job(wb_conn, new_con_state);
}
+static int amdgpu_dm_atomic_setup_commit(struct drm_atomic_state *state)
+{
+ struct drm_crtc *crtc;
+ struct drm_crtc_state *old_crtc_state, *new_crtc_state;
+ struct dm_crtc_state *dm_old_crtc_state, *dm_new_crtc_state;
+ int i, ret;
+
+ ret = drm_dp_mst_atomic_setup_commit(state);
+ if (ret)
+ return ret;
+
+ for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
+ dm_old_crtc_state = to_dm_crtc_state(old_crtc_state);
+ dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
+ /*
+ * Color management settings. We also update color properties
+ * when a modeset is needed, to ensure it gets reprogrammed.
+ */
+ if (dm_new_crtc_state->base.active && dm_new_crtc_state->stream &&
+ (dm_new_crtc_state->base.color_mgmt_changed ||
+ dm_old_crtc_state->regamma_tf != dm_new_crtc_state->regamma_tf ||
+ drm_atomic_crtc_needs_modeset(new_crtc_state))) {
+ ret = amdgpu_dm_update_crtc_color_mgmt(dm_new_crtc_state);
+ if (ret) {
+ drm_dbg_atomic(state->dev, "Failed to update color state\n");
+ return ret;
+ }
+ }
+ }
+
+ return 0;
+}
+
/**
* amdgpu_dm_atomic_commit_tail() - AMDgpu DM's commit tail implementation.
* @state: The atomic state to commit