[PATCH 5/8] drm/ast: Remove gamma LUT updates from DPMS code

Jocelyn Falempe jfalempe at redhat.com
Fri Jun 28 09:54:54 UTC 2024



On 27/06/2024 17:27, Thomas Zimmermann wrote:
> The DPMS code, called from the CRTC's atomic_enable, rewrites the
> gamma LUT. This is already done in the CRTC's atomic_flush. Remove
> the duplication.

Thanks, it looks good te me.

Reviewed-by: Jocelyn Falempe <jfalempe at redhat.com>

> 
> Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
> ---
>   drivers/gpu/drm/ast/ast_mode.c | 12 ------------
>   1 file changed, 12 deletions(-)
> 
> diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
> index 6a81d657175d..e90179bc0842 100644
> --- a/drivers/gpu/drm/ast/ast_mode.c
> +++ b/drivers/gpu/drm/ast/ast_mode.c
> @@ -1023,8 +1023,6 @@ static void ast_crtc_dpms(struct drm_crtc *crtc, int mode)
>   {
>   	struct ast_device *ast = to_ast_device(crtc->dev);
>   	u8 ch = AST_DPMS_VSYNC_OFF | AST_DPMS_HSYNC_OFF;
> -	struct ast_crtc_state *ast_state;
> -	const struct drm_format_info *format;
>   
>   	/* TODO: Maybe control display signal generation with
>   	 *       Sync Enable (bit CR17.7).
> @@ -1033,16 +1031,6 @@ static void ast_crtc_dpms(struct drm_crtc *crtc, int mode)
>   	case DRM_MODE_DPMS_ON:
>   		ast_set_index_reg_mask(ast, AST_IO_VGASRI,  0x01, 0xdf, 0);
>   		ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xb6, 0xfc, 0);
> -
> -		ast_state = to_ast_crtc_state(crtc->state);
> -		format = ast_state->format;
> -
> -		if (format) {
> -			if (crtc->state->gamma_lut)
> -				ast_crtc_set_gamma(ast, format, crtc->state->gamma_lut->data);
> -			else
> -				ast_crtc_set_gamma_linear(ast, format);
> -		}
>   		break;
>   	case DRM_MODE_DPMS_STANDBY:
>   	case DRM_MODE_DPMS_SUSPEND:



More information about the dri-devel mailing list