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| author | Krzysztof Halasa <khc@pm.waw.pl> | 2007-10-16 01:29:18 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-16 09:43:18 -0700 |
| commit | 10b98368a0a94b015c1a596b7a02eff447a65226 (patch) | |
| tree | 567997a1ba3e973c630aa203231f8c70aab316a0 /drivers/video | |
| parent | 68e5e9d734503695915734e50e9427624cf8f3b2 (diff) | |
| download | lwn-10b98368a0a94b015c1a596b7a02eff447a65226.tar.gz lwn-10b98368a0a94b015c1a596b7a02eff447a65226.zip | |
Intel FB: support for interlaced video modes
Intel framebuffer now supports interlaced video modes.
Signed-off-by: Krzysztof Halasa <khc@pm.waw.pl>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/intelfb/intelfbhw.c | 12 | ||||
| -rw-r--r-- | drivers/video/intelfb/intelfbhw.h | 4 |
2 files changed, 11 insertions, 5 deletions
diff --git a/drivers/video/intelfb/intelfbhw.c b/drivers/video/intelfb/intelfbhw.c index 6a47682d8614..04d0e0fd9bc0 100644 --- a/drivers/video/intelfb/intelfbhw.c +++ b/drivers/video/intelfb/intelfbhw.c @@ -323,11 +323,7 @@ intelfbhw_validate_mode(struct intelfb_info *dinfo, return 1; } - /* Check for interlaced/doublescan modes. */ - if (var->vmode & FB_VMODE_INTERLACED) { - WRN_MSG("Mode is interlaced.\n"); - return 1; - } + /* Check for doublescan modes. */ if (var->vmode & FB_VMODE_DOUBLE) { WRN_MSG("Mode is double-scan.\n"); return 1; @@ -1220,6 +1216,12 @@ intelfbhw_mode_to_hw(struct intelfb_info *dinfo, struct intelfb_hwstate *hw, /* Set the palette to 8-bit mode. */ *pipe_conf &= ~PIPECONF_GAMMA; + + if (var->vmode & FB_VMODE_INTERLACED) + *pipe_conf |= PIPECONF_INTERLACE_W_FIELD_INDICATION; + else + *pipe_conf &= ~PIPECONF_INTERLACE_MASK; + return 0; } diff --git a/drivers/video/intelfb/intelfbhw.h b/drivers/video/intelfb/intelfbhw.h index 8c54ba8fbdda..cfcd53749484 100644 --- a/drivers/video/intelfb/intelfbhw.h +++ b/drivers/video/intelfb/intelfbhw.h @@ -286,6 +286,10 @@ #define PIPECONF_UNLOCKED 0 #define PIPECONF_GAMMA (1 << 24) #define PIPECONF_PALETTE 0 +#define PIPECONF_PROGRESSIVE (0 << 21) +#define PIPECONF_INTERLACE_W_FIELD_INDICATION (6 << 21) +#define PIPECONF_INTERLACE_FIELD_0_ONLY (7 << 21) +#define PIPECONF_INTERLACE_MASK (7 << 21) #define DISPARB 0x70030 #define DISPARB_AEND_MASK 0x1ff |