diff options
| author | Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com> | 2016-03-08 17:46:27 +0200 |
|---|---|---|
| committer | Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com> | 2016-03-09 11:55:32 +0200 |
| commit | a3c988ea068c94f39a2e6bd37e0faf1c2606a55d (patch) | |
| tree | 469e43691a0fb8071b92c97e7f6f06a239237edd /drivers/gpu/drm/i915/intel_ddi.c | |
| parent | 9d16da65bfda54dea0b9b10ec49a0e1d23b631eb (diff) | |
drm/i915: Make SKL/KBL DPLL0 managed by the shared dpll code
Include DPLL0 in the managed dplls for SKL/KBL. While it has to be kept
enabled because of it driving CDCLK, it is better to special case that
inside the DPLL code than in the higher level.
v2: Use INTEL_DPLL_ALWAYS_ON flag. (Ander)
v3: Remove extremely paranoid WARN_ONs. (Maarten)
Handle DPLL0 in skylake_get_ddi_pll() properly. (Ander)
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1457451987-17466-14-git-send-email-ander.conselvan.de.oliveira@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ddi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ddi.c | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 31f9aa0c2b51..91654ffc3a42 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -1008,9 +1008,6 @@ skl_ddi_pll_select(struct intel_crtc *intel_crtc, { struct intel_shared_dpll *pll; - if (intel_encoder->type == INTEL_OUTPUT_EDP) - return true; - pll = intel_get_shared_dpll(intel_crtc, crtc_state, intel_encoder); if (pll == NULL) { DRM_DEBUG_DRIVER("failed to find PLL for pipe %c\n", @@ -1570,24 +1567,6 @@ void intel_ddi_clk_select(struct intel_encoder *encoder, uint32_t dpll = pipe_config->ddi_pll_sel; uint32_t val; - /* - * DPLL0 is used for eDP and is the only "private" DPLL (as - * opposed to shared) on SKL - */ - if (encoder->type == INTEL_OUTPUT_EDP) { - WARN_ON(dpll != SKL_DPLL0); - - val = I915_READ(DPLL_CTRL1); - - val &= ~(DPLL_CTRL1_HDMI_MODE(dpll) | - DPLL_CTRL1_SSC(dpll) | - DPLL_CTRL1_LINK_RATE_MASK(dpll)); - val |= pipe_config->dpll_hw_state.ctrl1 << (dpll * 6); - - I915_WRITE(DPLL_CTRL1, val); - POSTING_READ(DPLL_CTRL1); - } - /* DDI -> PLL mapping */ val = I915_READ(DPLL_CTRL2); |