drm/i915: TV pixel clock check
authorMika Kahola <mika.kahola@intel.com>
Tue, 2 Feb 2016 13:16:43 +0000 (15:16 +0200)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Thu, 11 Feb 2016 09:15:58 +0000 (10:15 +0100)
commit54c032b354fa74bab32fc7b8c020d4e1934dc654
treed551c4e9190b00ed7a33ca25d2434e3d5df1c623
parentf8700b34bd8f0433e6f7a5538c474a3dfcb4cc44
drm/i915: TV pixel clock check

It is possible the we request to have a mode that has
higher pixel clock than our HW can support. This patch
checks if requested pixel clock is lower than the one
supported by the HW. The requested mode is discarded
if we cannot support the requested pixel clock.

This patch applies to TV.

V2:
- removed computation for max pixel clock

V3:
- cleanup by removing unnecessary lines

V4:
- max_pixclk variable renamed as max_dotclk

Signed-off-by: Mika Kahola <mika.kahola@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1454419003-6001-7-git-send-email-mika.kahola@intel.com
drivers/gpu/drm/i915/intel_tv.c