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authorAlex Deucher <alexander.deucher@amd.com>2013-03-21 10:38:49 -0400
committerAlex Deucher <alexander.deucher@amd.com>2013-06-27 19:16:36 -0400
commit7178d2a6420eef845de3e5e30178146e6bd21e44 (patch)
treed3121de5d38e7149a244fc9a64bd411e4ace7929 /drivers
parenta5cb318e3f89ec6e28e47addfa6c1647b74f9824 (diff)
drm/radeon/dpm: save some display parameters for DPM
Required for SI. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/radeon/evergreen.c4
-rw-r--r--drivers/gpu/drm/radeon/radeon_mode.h4
-rw-r--r--drivers/gpu/drm/radeon/si.c4
3 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 10ccd879df0..0de5b74f028 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -2267,6 +2267,10 @@ static void evergreen_program_watermarks(struct radeon_device *rdev,
WREG32(PRIORITY_A_CNT + radeon_crtc->crtc_offset, priority_a_cnt);
WREG32(PRIORITY_B_CNT + radeon_crtc->crtc_offset, priority_b_cnt);
+ /* save values for DPM */
+ radeon_crtc->line_time = line_time;
+ radeon_crtc->wm_high = latency_watermark_a;
+ radeon_crtc->wm_low = latency_watermark_b;
}
/**
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index 7cc13ba8cdc..0a4b50fa9c5 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -331,6 +331,10 @@ struct radeon_crtc {
u32 pll_flags;
struct drm_encoder *encoder;
struct drm_connector *connector;
+ /* for dpm */
+ u32 line_time;
+ u32 wm_low;
+ u32 wm_high;
};
struct radeon_encoder_primary_dac {
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 6c5cbe0e80b..660781b3d6d 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -2166,6 +2166,10 @@ static void dce6_program_watermarks(struct radeon_device *rdev,
WREG32(PRIORITY_A_CNT + radeon_crtc->crtc_offset, priority_a_cnt);
WREG32(PRIORITY_B_CNT + radeon_crtc->crtc_offset, priority_b_cnt);
+ /* save values for DPM */
+ radeon_crtc->line_time = line_time;
+ radeon_crtc->wm_high = latency_watermark_a;
+ radeon_crtc->wm_low = latency_watermark_b;
}
void dce6_bandwidth_update(struct radeon_device *rdev)