On Tue, Jun 13, 2023 at 12:34:22PM +0530, Manikandan Muralidharan wrote:
> From: Durai Manickam KR <durai.manickamkr@xxxxxxxxxxxxx>
>
> Add compatible string check to differentiate XLCDC and HLCDC code
> within the atmel-hlcdc driver files.
>
> Signed-off-by: Durai Manickam KR <durai.manickamkr@xxxxxxxxxxxxx>
> Signed-off-by: Manikandan Muralidharan <manikandan.m@xxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c | 7 +++++++
> drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h | 1 +
> 2 files changed, 8 insertions(+)
>
> diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
> index d7ad828e9e8c..fbbd2592efc7 100644
> --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
> +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
> @@ -761,6 +761,13 @@ static int atmel_hlcdc_dc_load(struct drm_device *dev)
> if (!dc)
> return -ENOMEM;
>
> + /* SAM9X7 supports XLCDC */
> + if (!strcmp(match->compatible, "microchip,sam9x7-xlcdc"))
> + dc->is_xlcdc = true;
> + else
> + /* Other SoC's that supports HLCDC IP */
Should this be "Other SoCs that do not support HLCDC IP"?
> + dc->is_xlcdc = false;
> +
> dc->desc = match->data;
> dc->hlcdc = dev_get_drvdata(dev->dev->parent);
> dev->dev_private = dc;
> diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h
> index aed1742b3665..804e4d476f2b 100644
> --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h
> +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h
> @@ -451,6 +451,7 @@ struct atmel_hlcdc_dc {
> u32 imr;
> struct drm_atomic_state *state;
> } suspend;
> + bool is_xlcdc;
> };
>
> extern struct atmel_hlcdc_formats atmel_hlcdc_plane_rgb_formats;
> --
> 2.25.1
>
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