From: Alex Deucher Date: Thu, 21 Mar 2013 14:38:49 +0000 (-0400) Subject: drm/radeon/dpm: save some display parameters for DPM X-Git-Tag: accepted/tizen/common/20141203.182822~1901^2~60^2~37 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7178d2a6420eef845de3e5e30178146e6bd21e44;p=platform%2Fkernel%2Flinux-arm64.git drm/radeon/dpm: save some display parameters for DPM Required for SI. Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 10ccd87..0de5b74 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 7cc13ba..0a4b50f 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 6c5cbe0..660781b 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)