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-rw-r--r--drivers/gpu/drm/i915/intel_cdclk.c41
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c20
2 files changed, 37 insertions, 24 deletions
diff --git a/drivers/gpu/drm/i915/intel_cdclk.c b/drivers/gpu/drm/i915/intel_cdclk.c
index 32d24c69da3c..704ddb4d3ca7 100644
--- a/drivers/gpu/drm/i915/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/intel_cdclk.c
@@ -2302,9 +2302,44 @@ static int bdw_modeset_calc_cdclk(struct drm_atomic_state *state)
2302 return 0; 2302 return 0;
2303} 2303}
2304 2304
2305static int skl_dpll0_vco(struct intel_atomic_state *intel_state)
2306{
2307 struct drm_i915_private *dev_priv = to_i915(intel_state->base.dev);
2308 struct intel_crtc *crtc;
2309 struct intel_crtc_state *crtc_state;
2310 int vco, i;
2311
2312 vco = intel_state->cdclk.logical.vco;
2313 if (!vco)
2314 vco = dev_priv->skl_preferred_vco_freq;
2315
2316 for_each_new_intel_crtc_in_state(intel_state, crtc, crtc_state, i) {
2317 if (!crtc_state->base.enable)
2318 continue;
2319
2320 if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP))
2321 continue;
2322
2323 /*
2324 * DPLL0 VCO may need to be adjusted to get the correct
2325 * clock for eDP. This will affect cdclk as well.
2326 */
2327 switch (crtc_state->port_clock / 2) {
2328 case 108000:
2329 case 216000:
2330 vco = 8640000;
2331 break;
2332 default:
2333 vco = 8100000;
2334 break;
2335 }
2336 }
2337
2338 return vco;
2339}
2340
2305static int skl_modeset_calc_cdclk(struct drm_atomic_state *state) 2341static int skl_modeset_calc_cdclk(struct drm_atomic_state *state)
2306{ 2342{
2307 struct drm_i915_private *dev_priv = to_i915(state->dev);
2308 struct intel_atomic_state *intel_state = to_intel_atomic_state(state); 2343 struct intel_atomic_state *intel_state = to_intel_atomic_state(state);
2309 int min_cdclk, cdclk, vco; 2344 int min_cdclk, cdclk, vco;
2310 2345
@@ -2312,9 +2347,7 @@ static int skl_modeset_calc_cdclk(struct drm_atomic_state *state)
2312 if (min_cdclk < 0) 2347 if (min_cdclk < 0)
2313 return min_cdclk; 2348 return min_cdclk;
2314 2349
2315 vco = intel_state->cdclk.logical.vco; 2350 vco = skl_dpll0_vco(intel_state);
2316 if (!vco)
2317 vco = dev_priv->skl_preferred_vco_freq;
2318 2351
2319 /* 2352 /*
2320 * FIXME should also account for plane ratio 2353 * FIXME should also account for plane ratio
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 9a4a51e79fa1..b7b4cfdeb974 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1881,26 +1881,6 @@ found:
1881 reduce_m_n); 1881 reduce_m_n);
1882 } 1882 }
1883 1883
1884 /*
1885 * DPLL0 VCO may need to be adjusted to get the correct
1886 * clock for eDP. This will affect cdclk as well.
1887 */
1888 if (intel_dp_is_edp(intel_dp) && IS_GEN9_BC(dev_priv)) {
1889 int vco;
1890
1891 switch (pipe_config->port_clock / 2) {
1892 case 108000:
1893 case 216000:
1894 vco = 8640000;
1895 break;
1896 default:
1897 vco = 8100000;
1898 break;
1899 }
1900
1901 to_intel_atomic_state(pipe_config->base.state)->cdclk.logical.vco = vco;
1902 }
1903
1904 if (!HAS_DDI(dev_priv)) 1884 if (!HAS_DDI(dev_priv))
1905 intel_dp_set_clock(encoder, pipe_config); 1885 intel_dp_set_clock(encoder, pipe_config);
1906 1886