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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-12-14 03:23:01 (GMT)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-12-14 03:23:01 (GMT)
commit93c222c0e126c1c24ac454acf013f2c85e57bd8b (patch)
tree920c429de92857aaf74e64a0f4f9fbaec7032fcf /drivers/gpu/drm/radeon/rs690.c
parentf89c2b39ce676cb08b6ed8848cde76dcb21cc672 (diff)
parent9f9499ae8e6415cefc4fe0a96ad0e27864353c89 (diff)
downloadlinux-93c222c0e126c1c24ac454acf013f2c85e57bd8b.tar.xz
Merge 4.4-rc5 into staging-next
We want those fixes in here for testing. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/radeon/rs690.c')
-rw-r--r--drivers/gpu/drm/radeon/rs690.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c
index 516ca27..6bc44c2 100644
--- a/drivers/gpu/drm/radeon/rs690.c
+++ b/drivers/gpu/drm/radeon/rs690.c
@@ -207,6 +207,9 @@ void rs690_line_buffer_adjust(struct radeon_device *rdev,
{
u32 tmp;
+ /* Guess line buffer size to be 8192 pixels */
+ u32 lb_size = 8192;
+
/*
* Line Buffer Setup
* There is a single line buffer shared by both display controllers.
@@ -243,6 +246,13 @@ void rs690_line_buffer_adjust(struct radeon_device *rdev,
tmp |= V_006520_DC_LB_MEMORY_SPLIT_D1_1Q_D2_3Q;
}
WREG32(R_006520_DC_LB_MEMORY_SPLIT, tmp);
+
+ /* Save number of lines the linebuffer leads before the scanout */
+ if (mode1)
+ rdev->mode_info.crtcs[0]->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode1->crtc_hdisplay);
+
+ if (mode2)
+ rdev->mode_info.crtcs[1]->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode2->crtc_hdisplay);
}
struct rs690_watermark {