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authorLucas De Marchi <lucas.demarchi@intel.com>2019-04-04 16:04:26 -0700
committerLucas De Marchi <lucas.demarchi@intel.com>2019-04-30 02:25:37 -0700
commitda17223e8539a7d4485d3c85677aa83e2fc74896 (patch)
tree9e1a8dace6bfbb5ee6447bdde686d54a4358f69c
parent323b0a82efbff1c73fce3c7f2a49b7f850b7f983 (diff)
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drm/i915: do not mix workaround with normal flow
Separate the two comments: one is a workaround and the other is a sanity check. We could just compare != 1, but let's treat them differently due to having different meaning. Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190404230426.15837-4-lucas.demarchi@intel.com
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 402a58d3cd81..6fe04e12c8f2 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3753,14 +3753,16 @@ bool intel_can_enable_sagv(struct drm_atomic_state *state)
sagv_block_time_us = 10;
/*
- * SKL+ workaround: bspec recommends we disable SAGV when we have
- * more then one pipe enabled
- *
* If there are no active CRTCs, no additional checks need be performed
*/
if (hweight32(intel_state->active_crtcs) == 0)
return true;
- else if (hweight32(intel_state->active_crtcs) > 1)
+
+ /*
+ * SKL+ workaround: bspec recommends we disable SAGV when we have
+ * more then one pipe enabled
+ */
+ if (hweight32(intel_state->active_crtcs) > 1)
return false;
/* Since we're now guaranteed to only have one active CRTC... */