diff options
| author | Dave Airlie <airlied@linux.ie> | 2006-04-03 14:46:55 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2006-04-03 14:46:55 +1000 |
| commit | 3587c50991b96fee2d26942f380e36e4f40fad71 (patch) | |
| tree | 1266f26fa14b96e540a1388968a030edf264894d /drivers/video/intelfb | |
| parent | 3aff13cfb8810cc228e8fdcb92103ed0b11ee38e (diff) | |
| download | lwn-3587c50991b96fee2d26942f380e36e4f40fad71.tar.gz lwn-3587c50991b96fee2d26942f380e36e4f40fad71.zip | |
intelfb: fixup pitch calculation like X does
Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers/video/intelfb')
| -rw-r--r-- | drivers/video/intelfb/intelfbdrv.c | 17 | ||||
| -rw-r--r-- | drivers/video/intelfb/intelfbhw.c | 2 |
2 files changed, 18 insertions, 1 deletions
diff --git a/drivers/video/intelfb/intelfbdrv.c b/drivers/video/intelfb/intelfbdrv.c index 9e83664e345c..2aba6a4a9eae 100644 --- a/drivers/video/intelfb/intelfbdrv.c +++ b/drivers/video/intelfb/intelfbdrv.c @@ -1164,16 +1164,33 @@ intelfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) struct fb_var_screeninfo v; struct intelfb_info *dinfo; static int first = 1; + int i; + /* Good pitches to allow tiling. Don't care about pitches < 1024. */ + static const int pitches[] = { + 128 * 8, + 128 * 16, + 128 * 32, + 128 * 64, + 0 + }; DBG_MSG("intelfb_check_var: accel_flags is %d\n", var->accel_flags); dinfo = GET_DINFO(info); + /* update the pitch */ if (intelfbhw_validate_mode(dinfo, var) != 0) return -EINVAL; v = *var; + for (i = 0; pitches[i] != 0; i++) { + if (pitches[i] >= v.xres_virtual) { + v.xres_virtual = pitches[i]; + break; + } + } + /* Check for a supported bpp. */ if (v.bits_per_pixel <= 8) { v.bits_per_pixel = 8; diff --git a/drivers/video/intelfb/intelfbhw.c b/drivers/video/intelfb/intelfbhw.c index 2bcf249bdf22..4284c7554512 100644 --- a/drivers/video/intelfb/intelfbhw.c +++ b/drivers/video/intelfb/intelfbhw.c @@ -1210,7 +1210,7 @@ intelfbhw_mode_to_hw(struct intelfb_info *dinfo, struct intelfb_hwstate *hw, *ss = (hactive << SRC_SIZE_HORIZ_SHIFT) | (vactive << SRC_SIZE_VERT_SHIFT); - hw->disp_a_stride = var->xres_virtual * var->bits_per_pixel / 8; + hw->disp_a_stride = dinfo->pitch; DBG_MSG("pitch is %d\n", hw->disp_a_stride); hw->disp_a_base = hw->disp_a_stride * var->yoffset + |