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path: root/drivers/gpu/drm/i915/intel_dsi_pll.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_dsi_pll.c')
-rw-r--r--drivers/gpu/drm/i915/intel_dsi_pll.c17
1 files changed, 7 insertions, 10 deletions
diff --git a/drivers/gpu/drm/i915/intel_dsi_pll.c b/drivers/gpu/drm/i915/intel_dsi_pll.c
index d8bb1ea2f0d..fa7a6ca34cd 100644
--- a/drivers/gpu/drm/i915/intel_dsi_pll.c
+++ b/drivers/gpu/drm/i915/intel_dsi_pll.c
@@ -134,8 +134,7 @@ static u32 dsi_rr_formula(const struct drm_display_mode *mode,
#else
/* Get DSI clock from pixel clock */
-static u32 dsi_clk_from_pclk(const struct drm_display_mode *mode,
- int pixel_format, int lane_count)
+static u32 dsi_clk_from_pclk(u32 pclk, int pixel_format, int lane_count)
{
u32 dsi_clk_khz;
u32 bpp;
@@ -156,7 +155,7 @@ static u32 dsi_clk_from_pclk(const struct drm_display_mode *mode,
/* DSI data rate = pixel clock * bits per pixel / lane count
pixel clock is converted from KHz to Hz */
- dsi_clk_khz = DIV_ROUND_CLOSEST(mode->clock * bpp, lane_count);
+ dsi_clk_khz = DIV_ROUND_CLOSEST(pclk * bpp, lane_count);
return dsi_clk_khz;
}
@@ -191,7 +190,7 @@ static int dsi_calc_mnp(u32 dsi_clk, struct dsi_mnp *dsi_mnp)
for (m = 62; m <= 92; m++) {
for (p = 2; p <= 6; p++) {
/* Find the optimal m and p divisors
- with minimal error +/- the required clock */
+ with minimal error +/- the required clock */
calc_dsi_clk = (m * ref_clk) / p;
if (calc_dsi_clk == target_dsi_clk) {
calc_m = m;
@@ -228,15 +227,13 @@ static int dsi_calc_mnp(u32 dsi_clk, struct dsi_mnp *dsi_mnp)
static void vlv_configure_dsi_pll(struct intel_encoder *encoder)
{
struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
- struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
- const struct drm_display_mode *mode = &intel_crtc->config.adjusted_mode;
struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
int ret;
struct dsi_mnp dsi_mnp;
u32 dsi_clk;
- dsi_clk = dsi_clk_from_pclk(mode, intel_dsi->pixel_format,
- intel_dsi->lane_count);
+ dsi_clk = dsi_clk_from_pclk(intel_dsi->pclk, intel_dsi->pixel_format,
+ intel_dsi->lane_count);
ret = dsi_calc_mnp(dsi_clk, &dsi_mnp);
if (ret) {
@@ -318,8 +315,8 @@ static void assert_bpp_mismatch(int pixel_format, int pipe_bpp)
}
WARN(bpp != pipe_bpp,
- "bpp match assertion failure (expected %d, current %d)\n",
- bpp, pipe_bpp);
+ "bpp match assertion failure (expected %d, current %d)\n",
+ bpp, pipe_bpp);
}
u32 vlv_get_dsi_pclk(struct intel_encoder *encoder, int pipe_bpp)