On Wed, 30 Mar 2016, Ramalingam C <ramalingam.c@xxxxxxxxx> wrote:
> Shared the function pixel_format_from_vbt for whole display module.
> Function declaration is added to intel_dsi.h.
>
> Signed-off-by: Ramalingam C <ramalingam.c@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_dsi.h | 1 +
> drivers/gpu/drm/i915/intel_dsi_panel_vbt.c | 2 +-
> 2 files changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_dsi.h b/drivers/gpu/drm/i915/intel_dsi.h
> index ec58ead..9612916 100644
> --- a/drivers/gpu/drm/i915/intel_dsi.h
> +++ b/drivers/gpu/drm/i915/intel_dsi.h
> @@ -126,6 +126,7 @@ static inline struct intel_dsi *enc_to_intel_dsi(struct drm_encoder *encoder)
> return container_of(encoder, struct intel_dsi, base.base);
> }
>
> +enum mipi_dsi_pixel_format pixel_format_from_vbt(u32 fmt);
> bool intel_dsi_pll_is_enabled(struct drm_i915_private *dev_priv);
> extern void intel_enable_dsi_pll(struct intel_encoder *encoder);
> extern void intel_disable_dsi_pll(struct intel_encoder *encoder);
> diff --git a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
> index 8302a97..d78d59c 100644
> --- a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
> +++ b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
> @@ -413,7 +413,7 @@ static const struct drm_panel_funcs vbt_panel_funcs = {
> };
>
> /* XXX: This should be done when parsing the VBT in intel_bios.c */
> -static enum mipi_dsi_pixel_format pixel_format_from_vbt(u32 fmt)
> +enum mipi_dsi_pixel_format pixel_format_from_vbt(u32 fmt)
I think this one ends up being nicer if you move the whole function to
intel_dsi.c and name it according to being a function to convert the
pixel format from the *register* data, not vbt.
BR,
Jani.
> {
> /* It just so happens the VBT matches register contents. */
> switch (fmt) {
--
Jani Nikula, Intel Open Source Technology Center
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