[PATCH xf86-video-amdgpu] Add radeon_is_gpu_screen helper

[Alexander.Deucher@xxxxxxx (Deucher, Alexander)]

> -----Original Message-----
> From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf
> Of Michel Dänzer
> Sent: Monday, November 28, 2016 3:52 AM
> To: amd-gfx at lists.freedesktop.org
> Subject: [PATCH xf86-video-amdgpu] Add radeon_is_gpu_screen helper
> 
> From: Michel Dänzer <michel.daenzer at amd.com>
> 
> This will hopefully decrease the chance of accidentally breaking the
> build against xserver < 1.13 in the future.
> 
> (Ported from radeon commit f130b10e63f7526360b41aa0918b4940f63f662a)
> 
> Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>

Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

> ---
>  src/amdgpu_drv.h      |  3 +++
>  src/amdgpu_kms.c      | 14 +++-----------
>  src/drmmode_display.c |  6 ++----
>  3 files changed, 8 insertions(+), 15 deletions(-)
> 
> diff --git a/src/amdgpu_drv.h b/src/amdgpu_drv.h
> index ebfca8c..4eb4cf4 100644
> --- a/src/amdgpu_drv.h
> +++ b/src/amdgpu_drv.h
> @@ -149,6 +149,9 @@ typedef enum {
> 
>  #if XF86_CRTC_VERSION >= 5
>  #define AMDGPU_PIXMAP_SHARING 1
> +#define amdgpu_is_gpu_screen(screen) (screen)->isGPU
> +#else
> +#define amdgpu_is_gpu_screen(screen) 0
>  #endif
> 
>  #define AMDGPU_VSYNC_TIMEOUT	20000	/* Maximum wait for VSYNC
> (in usecs) */
> diff --git a/src/amdgpu_kms.c b/src/amdgpu_kms.c
> index 18d2abb..bc48ca6 100644
> --- a/src/amdgpu_kms.c
> +++ b/src/amdgpu_kms.c
> @@ -237,10 +237,7 @@ static Bool
> AMDGPUCreateScreenResources_KMS(ScreenPtr pScreen)
>  	if (dixPrivateKeyRegistered(rrPrivKey)) {
>  		rrScrPrivPtr rrScrPriv = rrGetScrPriv(pScreen);
> 
> -		if (
> -#ifdef AMDGPU_PIXMAP_SHARING
> -		    !pScreen->isGPU &&
> -#endif
> +		if (!amdgpu_is_gpu_screen(pScreen) &&
>  		    !rrScrPriv->primaryOutput)
>  		{
>  			xf86CrtcConfigPtr xf86_config =
> XF86_CRTC_CONFIG_PTR(pScrn);
> @@ -277,10 +274,7 @@ static Bool
> AMDGPUCreateScreenResources_KMS(ScreenPtr pScreen)
>  		amdgpu_glamor_create_screen_resources(pScreen);
> 
>  	info->callback_event_type = -1;
> -	if (
> -#ifdef AMDGPU_PIXMAP_SHARING
> -		!pScreen->isGPU &&
> -#endif
> +	if (!amdgpu_is_gpu_screen(pScreen) &&
>  		(damage_ext = CheckExtension("DAMAGE"))) {
>  		info->callback_event_type = damage_ext->eventBase +
> XDamageNotify;
> 
> @@ -1001,9 +995,7 @@ static void
> AMDGPUBlockHandler_KMS(BLOCKHANDLER_ARGS_DECL)
>  	(*pScreen->BlockHandler) (BLOCKHANDLER_ARGS);
>  	pScreen->BlockHandler = AMDGPUBlockHandler_KMS;
> 
> -#ifdef AMDGPU_PIXMAP_SHARING
> -	if (!pScreen->isGPU)
> -#endif
> +	if (!amdgpu_is_gpu_screen(pScreen))
>  	{
>  		for (c = 0; c < xf86_config->num_crtc; c++) {
>  			if (info->tear_free)
> diff --git a/src/drmmode_display.c b/src/drmmode_display.c
> index 8cedc5f..30a0f54 100644
> --- a/src/drmmode_display.c
> +++ b/src/drmmode_display.c
> @@ -721,10 +721,8 @@ drmmode_set_mode_major(xf86CrtcPtr crtc,
> DisplayModePtr mode,
>  		if (drmmode_crtc->rotate.fb_id) {
>  			fb_id = drmmode_crtc->rotate.fb_id;
>  			x = y = 0;
> -		} else if (
> -#ifdef AMDGPU_PIXMAP_SHARING
> -			   !pScreen->isGPU &&
> -#endif
> +
> +		} else if (!amdgpu_is_gpu_screen(pScreen) &&
>  			   (info->tear_free ||
>  #if XF86_CRTC_VERSION >= 4
>  			    crtc->driverIsPerformingTransform ||
> --
> 2.10.2
> 
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