diff options
| author | Paulo Zanoni <paulo.r.zanoni@intel.com> | 2013-07-12 14:19:38 -0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-07-19 08:54:03 +0200 |
| commit | bf8fa3d383aa9eb0003419e40ad0f3667c810154 (patch) | |
| tree | 1fde63953a84ee427e3b5054ad6dd9f7f26cecfc /drivers | |
| parent | f31f2d55eb77190e66cb13e5dd2beca7a91f8dd0 (diff) | |
drm/i915: extract lpt_enable_clkout_dp from lpt_init_pch_refclk
The next step is to modify lpt_enable_clkout_dp to enable support for
"Sequence to enable CLKOUT_DP" and "Sequence to enable CLKOUT_DP
without spread".
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 38 |
1 files changed, 22 insertions, 16 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 502610530e35..a8fc924e7788 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -5264,24 +5264,10 @@ static void lpt_program_fdi_mphy(struct drm_i915_private *dev_priv) } /* Sequence to enable CLKOUT_DP for FDI usage and configure PCH FDI I/O. */ -static void lpt_init_pch_refclk(struct drm_device *dev) +static void lpt_enable_clkout_dp(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; - struct drm_mode_config *mode_config = &dev->mode_config; - struct intel_encoder *encoder; - bool has_vga = false; - u32 tmp; - - list_for_each_entry(encoder, &mode_config->encoder_list, base.head) { - switch (encoder->type) { - case INTEL_OUTPUT_ANALOG: - has_vga = true; - break; - } - } - - if (!has_vga) - return; + uint32_t tmp; mutex_lock(&dev_priv->dpio_lock); @@ -5307,6 +5293,26 @@ static void lpt_init_pch_refclk(struct drm_device *dev) mutex_unlock(&dev_priv->dpio_lock); } +static void lpt_init_pch_refclk(struct drm_device *dev) +{ + struct drm_mode_config *mode_config = &dev->mode_config; + struct intel_encoder *encoder; + bool has_vga = false; + + list_for_each_entry(encoder, &mode_config->encoder_list, base.head) { + switch (encoder->type) { + case INTEL_OUTPUT_ANALOG: + has_vga = true; + break; + } + } + + if (!has_vga) + return; + + lpt_enable_clkout_dp(dev); +} + /* * Initialize reference clocks when the driver loads */ |