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authorZhenyu Wang <zhenyu.z.wang@intel.com>2009-03-24 14:02:41 +0800
committerEric Anholt <eric@anholt.net>2009-04-01 15:22:03 -0700
commit171a9e960ec820765e3b8e9dd1e3d8d81233d459 (patch)
treefdb5606e8842639d40426731802ec74dcbeb4ef1 /drivers/gpu/drm/i915/intel_sdvo.c
parent33b5296120da157c90f40fab0ae498799ee29ca1 (diff)
drm/i915: Fix error in SDVO DTD and modeline convert
This brings fix commit 62c0c2f5549a from 2D driver. Signed-off-by: Zhenyu Wang <zhenyu.z.wang@intel.com> Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_sdvo.c')
-rw-r--r--drivers/gpu/drm/i915/intel_sdvo.c25
1 files changed, 4 insertions, 21 deletions
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index fbf18cbd2d8..31cd9b835aa 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -684,7 +684,7 @@ static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
((v_blank_len >> 8) & 0xf);
- dtd->part2.h_sync_off = h_sync_offset;
+ dtd->part2.h_sync_off = h_sync_offset & 0xff;
dtd->part2.h_sync_width = h_sync_len & 0xff;
dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
(v_sync_len & 0xf);
@@ -706,27 +706,10 @@ static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
struct intel_sdvo_dtd *dtd)
{
- uint16_t width, height;
- uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
- uint16_t h_sync_offset, v_sync_offset;
-
- width = mode->crtc_hdisplay;
- height = mode->crtc_vdisplay;
-
- /* do some mode translations */
- h_blank_len = mode->crtc_hblank_end - mode->crtc_hblank_start;
- h_sync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;
-
- v_blank_len = mode->crtc_vblank_end - mode->crtc_vblank_start;
- v_sync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;
-
- h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start;
- v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start;
-
mode->hdisplay = dtd->part1.h_active;
mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;
- mode->hsync_start += (dtd->part2.sync_off_width_high & 0xa0) << 2;
+ mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;
mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
mode->htotal = mode->hdisplay + dtd->part1.h_blank;
@@ -736,7 +719,7 @@ static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
mode->vsync_start = mode->vdisplay;
mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
- mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0a) << 2;
+ mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;
mode->vsync_end = mode->vsync_start +
(dtd->part2.v_sync_off_width & 0xf);
@@ -746,7 +729,7 @@ static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
mode->clock = dtd->part1.clock * 10;
- mode->flags &= (DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
+ mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
if (dtd->part2.dtd_flags & 0x2)
mode->flags |= DRM_MODE_FLAG_PHSYNC;
if (dtd->part2.dtd_flags & 0x4)