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drm/i915: Make skl_compute_dbuf_slices() behave consistently for all platforms

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Currently skl_compute_dbuf_slices() returns 0 for any inactive pipe on
icl+, but returns BIT(S1) on pre-icl for any pipe (whether it's active or
not). Let's make the behaviour consistent and always return 0 for any
inactive pipe.

Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200225171125.28885-6-ville.syrjala@linux.intel.com
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
This commit is contained in:
Ville Syrjälä 2020-02-25 19:11:10 +02:00
parent 794bdcf71f
commit 2f9078c34c
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_pm.c
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@ -4606,7 +4606,7 @@ static u8 skl_compute_dbuf_slices(const struct intel_crtc_state *crtc_state,
* For anything else just return one slice yet.
* Should be extended for other platforms.
*/
return BIT(DBUF_S1);
return active_pipes & BIT(pipe) ? BIT(DBUF_S1) : 0;
}
static u64