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drm/radeon/kms: add pageflip ioctl support (v3)

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This adds support for dri2 pageflipping.

v2: precision updates from Mario Kleiner.
v3: Multihead fixes from Mario Kleiner; missing crtc offset
    add note about update pending bit on pre-avivo chips

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Mario Kleiner <mario.kleiner@tuebingen.mpg.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher
2010-11-21 10:59:01 -05:00
committed by Dave Airlie
parent f5a8020903
commit 6f34be50bd
17 changed files with 897 additions and 193 deletions
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9
drivers/gpu/drm/radeon/r600d.h
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@@ -728,6 +728,15 @@
/* DCE 3.2 */
# define DC_HPDx_EN (1 << 28)
#define D1GRPH_INTERRUPT_STATUS 0x6158
#define D2GRPH_INTERRUPT_STATUS 0x6958
# define DxGRPH_PFLIP_INT_OCCURRED (1 << 0)
# define DxGRPH_PFLIP_INT_CLEAR (1 << 8)
#define D1GRPH_INTERRUPT_CONTROL 0x615c
#define D2GRPH_INTERRUPT_CONTROL 0x695c
# define DxGRPH_PFLIP_INT_MASK (1 << 0)
# define DxGRPH_PFLIP_INT_TYPE (1 << 8)
/*
* PM4
*/