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path: root/drivers/gpu/drm/radeon/si.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/si.c')
-rw-r--r--drivers/gpu/drm/radeon/si.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 3efdfd04069a..ceee87f029d9 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -2274,7 +2274,7 @@ static void dce6_program_watermarks(struct radeon_device *rdev,
struct drm_display_mode *mode = &radeon_crtc->base.mode;
struct dce6_wm_params wm_low, wm_high;
u32 dram_channels;
- u32 pixel_period;
+ u32 active_time;
u32 line_time = 0;
u32 latency_watermark_a = 0, latency_watermark_b = 0;
u32 priority_a_mark = 0, priority_b_mark = 0;
@@ -2284,8 +2284,8 @@ static void dce6_program_watermarks(struct radeon_device *rdev,
fixed20_12 a, b, c;
if (radeon_crtc->base.enabled && num_heads && mode) {
- pixel_period = 1000000 / (u32)mode->clock;
- line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
+ active_time = 1000000UL * (u32)mode->crtc_hdisplay / (u32)mode->clock;
+ line_time = min((u32) (1000000UL * (u32)mode->crtc_htotal / (u32)mode->clock), (u32)65535);
priority_a_cnt = 0;
priority_b_cnt = 0;
@@ -2307,7 +2307,7 @@ static void dce6_program_watermarks(struct radeon_device *rdev,
wm_high.disp_clk = mode->clock;
wm_high.src_width = mode->crtc_hdisplay;
- wm_high.active_time = mode->crtc_hdisplay * pixel_period;
+ wm_high.active_time = active_time;
wm_high.blank_time = line_time - wm_high.active_time;
wm_high.interlaced = false;
if (mode->flags & DRM_MODE_FLAG_INTERLACE)
@@ -2334,7 +2334,7 @@ static void dce6_program_watermarks(struct radeon_device *rdev,
wm_low.disp_clk = mode->clock;
wm_low.src_width = mode->crtc_hdisplay;
- wm_low.active_time = mode->crtc_hdisplay * pixel_period;
+ wm_low.active_time = active_time;
wm_low.blank_time = line_time - wm_low.active_time;
wm_low.interlaced = false;
if (mode->flags & DRM_MODE_FLAG_INTERLACE)