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drm/i915: Sharing the pixel_format_from_vbt to whole i915

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Shared the function pixel_format_from_vbt for whole display module.
Function declaration is added to intel_dsi.h.

V2: Moved the function to intel_dsi.c and renamed as per the purpose
	of the function. Suggested by Jani.

Signed-off-by: Ramalingam C <ramalingam.c@intel.com>

Previously reviewed at https://lists.freedesktop.org/archives/intel-gfx/2016-April/091736.html
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1460019967-26501-1-git-send-email-ramalingam.c@intel.com
This commit is contained in:
Ramalingam C
2016-04-07 14:36:06 +05:30
committed by Jani Nikula
parent b13d8e2888
commit 43367ec962
3 changed files with 22 additions and 20 deletions
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18
drivers/gpu/drm/i915/intel_dsi.c
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@@ -46,6 +46,24 @@ static const struct {
},
};
enum mipi_dsi_pixel_format pixel_format_from_register_bits(u32 fmt)
{
/* It just so happens the VBT matches register contents. */
switch (fmt) {
case VID_MODE_FORMAT_RGB888:
return MIPI_DSI_FMT_RGB888;
case VID_MODE_FORMAT_RGB666:
return MIPI_DSI_FMT_RGB666;
case VID_MODE_FORMAT_RGB666_PACKED:
return MIPI_DSI_FMT_RGB666_PACKED;
case VID_MODE_FORMAT_RGB565:
return MIPI_DSI_FMT_RGB565;
default:
MISSING_CASE(fmt);
return MIPI_DSI_FMT_RGB666;
}
}
static void wait_for_dsi_fifo_empty(struct intel_dsi *intel_dsi, enum port port)
{
struct drm_encoder *encoder = &intel_dsi->base.base;