diff options
| author | Dave Airlie <airlied@redhat.com> | 2009-11-16 23:29:46 +0300 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2009-12-08 00:33:04 +0300 |
| commit | d904ef9b00a4473af16766e99f17bdbb5f0fde65 (patch) | |
| tree | e9b5263b223cf5d20f189aad922f79c1ccbfd9c2 /drivers/gpu/drm/radeon/atom.c | |
| parent | f84676185368e36c6bc0eeab87ab73ed39042648 (diff) | |
| download | linux-d904ef9b00a4473af16766e99f17bdbb5f0fde65.tar.xz | |
drm/radeon/kms: add support to atom parser for FB read/write
FB read/write really doesn't need to access the actual VRAM, we
can just use a scratch area. This is required for using atom displayport
calls later.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/atom.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/atom.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c index d67c42555ab9..85abc0850e7f 100644 --- a/drivers/gpu/drm/radeon/atom.c +++ b/drivers/gpu/drm/radeon/atom.c @@ -263,10 +263,10 @@ static uint32_t atom_get_src_int(atom_exec_context *ctx, uint8_t attr, case ATOM_ARG_FB: idx = U8(*ptr); (*ptr)++; + val = gctx->scratch[((gctx->fb_base + idx) / 4)]; if (print) DEBUG("FB[0x%02X]", idx); - printk(KERN_INFO "FB access is not implemented.\n"); - return 0; + break; case ATOM_ARG_IMM: switch (align) { case ATOM_SRC_DWORD: @@ -488,9 +488,9 @@ static void atom_put_dst(atom_exec_context *ctx, int arg, uint8_t attr, case ATOM_ARG_FB: idx = U8(*ptr); (*ptr)++; + gctx->scratch[((gctx->fb_base + idx) / 4)] = val; DEBUG("FB[0x%02X]", idx); - printk(KERN_INFO "FB access is not implemented.\n"); - return; + break; case ATOM_ARG_PLL: idx = U8(*ptr); (*ptr)++; |