diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2023-03-20 12:05:21 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2023-03-25 00:56:35 +0300 |
| commit | c5de248484afeb6de259239a23645790038d9df3 (patch) | |
| tree | 828a96a5142a3edcbff126f601e9c5d23c4f447d /drivers/gpu/drm/i915/display/intel_display.c | |
| parent | 5a08585d38d66dd64b8ae22229bdfae3fdc1ef3e (diff) | |
| download | linux-c5de248484afeb6de259239a23645790038d9df3.tar.xz | |
drm/i915/dpt: Add a modparam to disable DPT via the chicken bit
Add i915.enable_dpt modparam to allow disabling the DPT
usage in hardware via the chicken bit. Useful when debugging
potential DPT issues.
Quickly smoke tested on ADL.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230320090522.9909-6-ville.syrjala@linux.intel.com
Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 31585f4aa163..37d03380b844 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -6968,6 +6968,12 @@ static void intel_update_crtc(struct intel_atomic_state *state, intel_atomic_get_new_crtc_state(state, crtc); bool modeset = intel_crtc_needs_modeset(new_crtc_state); + if (old_crtc_state->inherited || + intel_crtc_needs_modeset(new_crtc_state)) { + if (HAS_DPT(i915)) + intel_dpt_configure(crtc); + } + if (!modeset) { if (new_crtc_state->preload_luts && intel_crtc_needs_color_update(new_crtc_state)) |