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drm/i915: set the right SDVO transcoder for CPT 

v2: add a CPT-specific macro, make code cleaner
v3: fix commit message

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=41272
Cc: stable@kernel.org
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Paulo Zanoni 2011-10-14 18:16:22 -03:00 committed by Keith Packard
parent 0999bbe081
commit 3573c4103f
2 changed files with 10 additions and 6 deletions
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8
drivers/gpu/drm/i915/i915_reg.h
View File

@ -3303,10 +3303,10 @@
/* or SDVOB */
#define HDMIB 0xe1140
#define PORT_ENABLE (1 << 31)
#define TRANSCODER_A (0)
#define TRANSCODER_B (1 << 30)
#define TRANSCODER(pipe) ((pipe) << 30)
#define TRANSCODER_MASK (1 << 30)
#define TRANSCODER(pipe) ((pipe) << 30)
#define TRANSCODER_CPT(pipe) ((pipe) << 29)
#define TRANSCODER_MASK (1 << 30)
#define TRANSCODER_MASK_CPT (3 << 29)
#define COLOR_FORMAT_8bpc (0)
#define COLOR_FORMAT_12bpc (3 << 26)
#define SDVOB_HOTPLUG_ENABLE (1 << 23)

8
drivers/gpu/drm/i915/intel_sdvo.c
View File

@ -1086,8 +1086,12 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
}
sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
}
if (intel_crtc->pipe == 1)
sdvox |= SDVO_PIPE_B_SELECT;
if (INTEL_PCH_TYPE(dev) >= PCH_CPT)
sdvox |= TRANSCODER_CPT(intel_crtc->pipe);
else
sdvox |= TRANSCODER(intel_crtc->pipe);
if (intel_sdvo->has_hdmi_audio)
sdvox |= SDVO_AUDIO_ENABLE;