diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2024-04-12 20:26:52 +0200 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2024-04-17 15:50:19 +0200 |
| commit | 07a382dbf96775cdffa268173a4cc1a541bec2dd (patch) | |
| tree | ac004eeba4072c7c4c22b80aa11176ac78d2e476 /drivers/gpu/drm/i915/display/intel_display.c | |
| parent | drm/i915: Extract ilk_dpll_compute_fp() (diff) | |
| download | linux-07a382dbf96775cdffa268173a4cc1a541bec2dd.tar.xz linux-07a382dbf96775cdffa268173a4cc1a541bec2dd.zip | |
drm/i915: Extract i9xx_dpll_get_hw_state()
Start making the GMCH DPLL code a bit more like the more modern
platforms by separating out the DPLL hw state readout from the
rest of the pipe readout.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240412182703.19916-8-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 24 |
1 files changed, 4 insertions, 20 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index a92b67adee9c..70ba8a9c671e 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -3071,19 +3071,16 @@ static bool i9xx_get_pipe_config(struct intel_crtc *crtc, i9xx_get_pfit_config(pipe_config); + i9xx_dpll_get_hw_state(crtc, &pipe_config->dpll_hw_state); + if (DISPLAY_VER(dev_priv) >= 4) { - /* No way to read it out on pipes B and C */ - if (IS_CHERRYVIEW(dev_priv) && crtc->pipe != PIPE_A) - tmp = dev_priv->display.state.chv_dpll_md[crtc->pipe]; - else - tmp = intel_de_read(dev_priv, DPLL_MD(crtc->pipe)); + tmp = pipe_config->dpll_hw_state.dpll_md; pipe_config->pixel_multiplier = ((tmp & DPLL_MD_UDI_MULTIPLIER_MASK) >> DPLL_MD_UDI_MULTIPLIER_SHIFT) + 1; - pipe_config->dpll_hw_state.dpll_md = tmp; } else if (IS_I945G(dev_priv) || IS_I945GM(dev_priv) || IS_G33(dev_priv) || IS_PINEVIEW(dev_priv)) { - tmp = intel_de_read(dev_priv, DPLL(crtc->pipe)); + tmp = pipe_config->dpll_hw_state.dpll; pipe_config->pixel_multiplier = ((tmp & SDVO_MULTIPLIER_MASK) >> SDVO_MULTIPLIER_SHIFT_HIRES) + 1; @@ -3093,19 +3090,6 @@ static bool i9xx_get_pipe_config(struct intel_crtc *crtc, * function. */ pipe_config->pixel_multiplier = 1; } - pipe_config->dpll_hw_state.dpll = intel_de_read(dev_priv, - DPLL(crtc->pipe)); - if (!IS_VALLEYVIEW(dev_priv) && !IS_CHERRYVIEW(dev_priv)) { - pipe_config->dpll_hw_state.fp0 = intel_de_read(dev_priv, - FP0(crtc->pipe)); - pipe_config->dpll_hw_state.fp1 = intel_de_read(dev_priv, - FP1(crtc->pipe)); - } else { - /* Mask out read-only status bits. */ - pipe_config->dpll_hw_state.dpll &= ~(DPLL_LOCK_VLV | - DPLL_PORTC_READY_MASK | - DPLL_PORTB_READY_MASK); - } if (IS_CHERRYVIEW(dev_priv)) chv_crtc_clock_get(crtc, pipe_config); |