diff options
| author | Dennis Munsie <dmunsie@cecropia.com> | 2006-05-27 18:17:52 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2006-05-27 18:17:52 +1000 |
| commit | df7df8ab7b38ca80bbaf5ffafd401d6c739fd45f (patch) | |
| tree | 83f7f6768ac730231386fdbf70f30c165d3cb134 /drivers | |
| parent | 51d797474f87b375819d084f7583a2864c5656c4 (diff) | |
intelfb -- uses stride alignment of 64 on the 9xx chipsets.
Signed-off-by: Dennis Munsie <dmunsie@cecropia.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/intelfb/intelfb.h | 1 | ||||
| -rw-r--r-- | drivers/video/intelfb/intelfbdrv.c | 5 | ||||
| -rw-r--r-- | drivers/video/intelfb/intelfbhw.c | 7 |
3 files changed, 10 insertions, 3 deletions
diff --git a/drivers/video/intelfb/intelfb.h b/drivers/video/intelfb/intelfb.h index 631a3a95de4..469b06c2918 100644 --- a/drivers/video/intelfb/intelfb.h +++ b/drivers/video/intelfb/intelfb.h @@ -59,6 +59,7 @@ #define INTEL_REG_SIZE 0x80000 #define STRIDE_ALIGNMENT 16 +#define STRIDE_ALIGNMENT_I9XX 64 #define PALETTE_8_ENTRIES 256 diff --git a/drivers/video/intelfb/intelfbdrv.c b/drivers/video/intelfb/intelfbdrv.c index 2aba6a4a9ea..b92bc908335 100644 --- a/drivers/video/intelfb/intelfbdrv.c +++ b/drivers/video/intelfb/intelfbdrv.c @@ -1141,7 +1141,10 @@ update_dinfo(struct intelfb_info *dinfo, struct fb_var_screeninfo *var) } /* Make sure the line length is a aligned correctly. */ - dinfo->pitch = ROUND_UP_TO(dinfo->pitch, STRIDE_ALIGNMENT); + if (IS_I9XX(dinfo)) + dinfo->pitch = ROUND_UP_TO(dinfo->pitch, STRIDE_ALIGNMENT_I9XX); + else + dinfo->pitch = ROUND_UP_TO(dinfo->pitch, STRIDE_ALIGNMENT); if (FIXED_MODE(dinfo)) dinfo->pitch = dinfo->initial_pitch; diff --git a/drivers/video/intelfb/intelfbhw.c b/drivers/video/intelfb/intelfbhw.c index 05f0a3c9440..eba8f8f6a4d 100644 --- a/drivers/video/intelfb/intelfbhw.c +++ b/drivers/video/intelfb/intelfbhw.c @@ -1005,6 +1005,7 @@ intelfbhw_mode_to_hw(struct intelfb_info *dinfo, struct intelfb_hwstate *hw, u32 vsync_start, vsync_end, vblank_start, vblank_end, vtotal, vactive; u32 vsync_pol, hsync_pol; u32 *vs, *vb, *vt, *hs, *hb, *ht, *ss, *pipe_conf; + u32 stride_alignment; DBG_MSG("intelfbhw_mode_to_hw\n"); @@ -1216,9 +1217,11 @@ intelfbhw_mode_to_hw(struct intelfb_info *dinfo, struct intelfb_hwstate *hw, hw->disp_a_base += dinfo->fb.offset << 12; /* Check stride alignment. */ - if (hw->disp_a_stride % STRIDE_ALIGNMENT != 0) { + stride_alignment = IS_I9XX(dinfo) ? STRIDE_ALIGNMENT_I9XX : + STRIDE_ALIGNMENT; + if (hw->disp_a_stride % stride_alignment != 0) { WRN_MSG("display stride %d has bad alignment %d\n", - hw->disp_a_stride, STRIDE_ALIGNMENT); + hw->disp_a_stride, stride_alignment); return 1; } |