Attachment 7940 Details for Bug 8938 – Wait for previous flip to take effect before uploading data

[patch] Wait for previous flip to take effect before uploading data

radeon-video-waitflip.diff (text/plain), 1.12 KB, created by Michel Dänzer on 2006-12-01 07:36:41 UTC

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Creator: Michel Dänzer

Created: 2006-12-01 07:36:41 UTC

Size: 1.12 KB

patch

obsolete

>diff --git a/src/radeon_reg.h b/src/radeon_reg.h
>index 9503dde..a5c9835 100644
>--- a/src/radeon_reg.h
>+++ b/src/radeon_reg.h
>@@ -1027,6 +1028,7 @@
> #       define  RADEON_REG_LD_CTL_VBLANK_DURING_LOCK   0x00000002L
> #       define  RADEON_REG_LD_CTL_STALL_GUI_UNTIL_FLIP 0x00000004L
> #       define  RADEON_REG_LD_CTL_LOCK_READBACK        0x00000008L
>+#       define  RADEON_REG_LD_CTL_FLIP_READBACK        0x00000010L
> #define RADEON_OV0_SCALE_CNTL               0x0420
> #       define  RADEON_SCALER_HORZ_PICK_NEAREST    0x00000004L
> #       define  RADEON_SCALER_VERT_PICK_NEAREST    0x00000008L
>diff --git a/src/radeon_video.c b/src/radeon_video.c
>index d4e1f0a..a973a1e 100644
>--- a/src/radeon_video.c
>+++ b/src/radeon_video.c
>@@ -2827,8 +2826,14 @@ RADEONPutImage(
> 
>    offset = (pPriv->video_offset) + (top * dstPitch);
> 
>-   if(pPriv->doubleBuffer)
>+   if(pPriv->doubleBuffer) {
>+	unsigned char *RADEONMMIO = info->MMIO;
>+
>+	/* Wait for last flip to take effect */
>+	while(!(INREG(RADEON_OV0_REG_LOAD_CNTL) & RADEON_REG_LD_CTL_FLIP_READBACK));
>+
> 	offset += pPriv->currentBuffer * new_size;
>+   }
> 
>    dst_start = info->FB + offset;
>

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Attachments on bug 8938: 7747 | 7748 | 7753 | 7927 | 7928 | 7940

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