Commit 3cf963cf authored Mar 12, 2019 by Ville Syrjälä

drm/i915: Accept alloc_size == blocks



If the minimum required ddb space for all the planes equals the
total ddb space available we are allowed to use the relevant
watermark level.

Cc: Neel Desai <neel.desai@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190312205844.6339-2-ville.syrjala@linux.intel.com


Reviewed-by: Matt Roper <matthew.d.roper@intel.com>

parent 4677faf6

drivers/gpu/drm/i915/intel_pm.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -4378,7 +4378,7 @@ skl_allocate_pipe_ddb(struct intel_crtc_state *cstate,
		blocks += wm->uv_wm[level].min_ddb_alloc;
		}

		if (blocks < alloc_size) {
		if (blocks <= alloc_size) {
		alloc_size -= blocks;
		break;
		}

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