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authorRamalingam C <ramalingam.c@intel.com>2016-04-07 14:36:06 +0530
committerJani Nikula <jani.nikula@intel.com>2016-04-07 16:46:06 +0300
commit43367ec962095b76d36453b659defd9ee8d41e46 (patch)
tree3f9a53c36525c01245606c0af985bcd0334dd22f /drivers/gpu/drm/i915/intel_dsi.c
parentdrm/i915/dsi: use a temp variable for referencing the gpio table (diff)
downloadlinux-dev-43367ec962095b76d36453b659defd9ee8d41e46.tar.xz
linux-dev-43367ec962095b76d36453b659defd9ee8d41e46.zip
drm/i915: Sharing the pixel_format_from_vbt to whole i915
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
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dsi.c')
-rw-r--r--drivers/gpu/drm/i915/intel_dsi.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
index 0de74e1b7ab3..a0f374f0db7c 100644
--- a/drivers/gpu/drm/i915/intel_dsi.c
+++ b/drivers/gpu/drm/i915/intel_dsi.c
@@ -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;