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(parent: 5a08585) | patch
drm/i915/dpt: Add a modparam to disable DPT via the chicken bit
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Mon, 20 Mar 2023 09:05:21 +0000 (11:05 +0200)
committerVille Syrjälä <ville.syrjala@linux.intel.com>
Fri, 24 Mar 2023 21:56:35 +0000 (23:56 +0200)
commitc5de248484afeb6de259239a23645790038d9df3
tree828a96a5142a3edcbff126f601e9c5d23c4f447dtree | snapshot
parent5a08585d38d66dd64b8ae22229bdfae3fdc1ef3ecommit | diff
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>
drivers/gpu/drm/i915/display/intel_display.c diff | blob | blame | history
drivers/gpu/drm/i915/display/intel_dpt.c diff | blob | blame | history
drivers/gpu/drm/i915/display/intel_dpt.h diff | blob | blame | history
drivers/gpu/drm/i915/display/intel_fb.c diff | blob | blame | history
drivers/gpu/drm/i915/display/intel_fb.h diff | blob | blame | history
drivers/gpu/drm/i915/display/skl_universal_plane.c diff | blob | blame | history
drivers/gpu/drm/i915/i915_params.c diff | blob | blame | history
drivers/gpu/drm/i915/i915_params.h diff | blob | blame | history
drivers/gpu/drm/i915/i915_reg.h diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git