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path: root/drivers/gpu/drm/i915/gvt/handlers.c
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Diffstat (limited to 'drivers/gpu/drm/i915/gvt/handlers.c')
-rw-r--r--drivers/gpu/drm/i915/gvt/handlers.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c
index 477badfcb258..dda320749c65 100644
--- a/drivers/gpu/drm/i915/gvt/handlers.c
+++ b/drivers/gpu/drm/i915/gvt/handlers.c
@@ -669,8 +669,8 @@ static void vgpu_update_refresh_rate(struct intel_vgpu *vgpu)
link_n = vgpu_vreg_t(vgpu, PIPE_LINK_N1(TRANSCODER_A));
/* Get H/V total from transcoder timing */
- htotal = (vgpu_vreg_t(vgpu, HTOTAL(TRANSCODER_A)) >> TRANS_HTOTAL_SHIFT) + 1;
- vtotal = (vgpu_vreg_t(vgpu, VTOTAL(TRANSCODER_A)) >> TRANS_VTOTAL_SHIFT) + 1;
+ htotal = (vgpu_vreg_t(vgpu, HTOTAL(TRANSCODER_A)) >> TRANS_HTOTAL_SHIFT);
+ vtotal = (vgpu_vreg_t(vgpu, VTOTAL(TRANSCODER_A)) >> TRANS_VTOTAL_SHIFT);
if (dp_br && link_n && htotal && vtotal) {
u64 pixel_clk = 0;
@@ -682,7 +682,7 @@ static void vgpu_update_refresh_rate(struct intel_vgpu *vgpu)
pixel_clk *= MSEC_PER_SEC;
/* Calcuate refresh rate by (pixel_clk / (h_total * v_total)) */
- new_rate = DIV64_U64_ROUND_CLOSEST(pixel_clk, div64_u64(mul_u32_u32(htotal, vtotal), MSEC_PER_SEC));
+ new_rate = DIV64_U64_ROUND_CLOSEST(mul_u64_u32_shr(pixel_clk, MSEC_PER_SEC, 0), mul_u32_u32(htotal + 1, vtotal + 1));
if (*old_rate != new_rate)
*old_rate = new_rate;