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authorVille Syrjälä <ville.syrjala@linux.intel.com>2023-04-18 20:55:15 +0300
committerVille Syrjälä <ville.syrjala@linux.intel.com>2023-04-20 15:14:00 +0300
commit8637e1c84c5f2c3ea4a1e145ca226fef90a148a2 (patch)
treef7a95caeb376236c60754c3c7092c59937cf8499 /drivers/gpu/drm/i915/display/intel_crtc.h
parent691248d4135fe3fae64b4ee0676bc96a7fd6950c (diff)
drm/i915: Relocate VBLANK_EVASION_TIME_US
Move the VBLANK_EVASION_TIME_US definition to a slightly better place. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230418175528.13117-3-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_crtc.h')
-rw-r--r--drivers/gpu/drm/i915/display/intel_crtc.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_crtc.h b/drivers/gpu/drm/i915/display/intel_crtc.h
index 73077137fb99..51a4c8df9e65 100644
--- a/drivers/gpu/drm/i915/display/intel_crtc.h
+++ b/drivers/gpu/drm/i915/display/intel_crtc.h
@@ -16,6 +16,16 @@ struct intel_atomic_state;
struct intel_crtc;
struct intel_crtc_state;
+/*
+ * FIXME: We should instead only take spinlocks once for the entire update
+ * instead of once per mmio.
+ */
+#if IS_ENABLED(CONFIG_PROVE_LOCKING)
+#define VBLANK_EVASION_TIME_US 250
+#else
+#define VBLANK_EVASION_TIME_US 100
+#endif
+
int intel_usecs_to_scanlines(const struct drm_display_mode *adjusted_mode,
int usecs);
u32 intel_crtc_max_vblank_count(const struct intel_crtc_state *crtc_state);