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authorJani Nikula <jani.nikula@intel.com>2022-09-16 11:26:42 +0300
committerJani Nikula <jani.nikula@intel.com>2022-09-26 19:25:38 +0300
commit86570b7b126bd516aba770d1fc4c971c55c66dca (patch)
treed482ed5e35aefe802e2883e6860833238cd6157f /drivers/gpu/drm/i915/intel_device_info.c
parent2d28094b26be804369fcf92315123ff07f3d4e0e (diff)
drm/i915: fix device info for devices without display
Commit 00c6cbfd4e8a ("drm/i915: move pipe_mask and cpu_transcoder_mask to runtime info") moved the pipe_mask member from struct intel_device_info to intel_runtime_info, but overlooked some of our platforms initializing device info .display = {}. This is significant, as pipe_mask is the single point of truth for a device having a display or not; the platforms in question left pipe_mask to whatever was set for the platforms they "inherit" from in the complex macro scheme we have. Add new NO_DISPLAY macro initializing .__runtime.pipe_mask = 0, which will cause the device info .display sub-struct to be zeroed in intel_device_info_runtime_init(). A better solution (or simply audit of proper use of HAS_DISPLAY() checks) is required before moving forward with [1]. Also clear all the display related members in runtime info if there's no display. The latter is a bit tedious, but it's for completeness at this time, to ensure similar functionality as before. [1] https://lore.kernel.org/r/dfda1bf67f02ceb07c280b7a13216405fd1f7a34.1660137416.git.jani.nikula@intel.com Fixes: 00c6cbfd4e8a ("drm/i915: move pipe_mask and cpu_transcoder_mask to runtime info") Cc: Lucas De Marchi <lucas.demarchi@intel.com> Cc: Maarten Lankhort <maarten.lankhorst@linux.intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com> Acked-by: Lucas De Marchi <lucas.demarchi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220916082642.3451961-1-jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_device_info.c')
-rw-r--r--drivers/gpu/drm/i915/intel_device_info.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c
index 2018eaaa45f5..908ec241fe71 100644
--- a/drivers/gpu/drm/i915/intel_device_info.c
+++ b/drivers/gpu/drm/i915/intel_device_info.c
@@ -498,8 +498,14 @@ void intel_device_info_runtime_init(struct drm_i915_private *dev_priv)
dev_priv->drm.driver_features &= ~(DRIVER_MODESET |
DRIVER_ATOMIC);
memset(&info->display, 0, sizeof(info->display));
+
+ runtime->cpu_transcoder_mask = 0;
memset(runtime->num_sprites, 0, sizeof(runtime->num_sprites));
memset(runtime->num_scalers, 0, sizeof(runtime->num_scalers));
+ runtime->fbc_mask = 0;
+ runtime->has_hdcp = false;
+ runtime->has_dmc = false;
+ runtime->has_dsc = false;
}
}