drm/radeon/kms/pm: add support for no display power states
The lowest power states often cause display problems, so only enable
them when all displays are off.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index e39e2b4..480a83f 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -658,6 +658,9 @@
u32 voltage;
};
+/* clock mode flags */
+#define RADEON_PM_MODE_NO_DISPLAY (1 << 0)
+
struct radeon_pm_clock_info {
/* memory clock */
u32 mclk;
@@ -665,12 +668,12 @@
u32 sclk;
/* voltage info */
struct radeon_voltage voltage;
- /* standardized clock flags - not sure we'll need these */
+ /* standardized clock flags */
u32 flags;
};
/* state flags */
-#define RADEON_PM_SINGLE_DISPLAY_ONLY (1 << 0)
+#define RADEON_PM_STATE_SINGLE_DISPLAY_ONLY (1 << 0)
struct radeon_power_state {
enum radeon_pm_state_type type;