[Intel-gfx] [PATCH] drm/i915: clean up interlaced pipeconf bit definitions
Daniel Vetter
daniel.vetter at ffwll.ch
Thu Jan 26 18:19:48 CET 2012
- Clarify which bits are for which chips.
- Note that gen2 can't do interlaced directly (only via sdvo tv chips).
- Move the mask to the top to make it clearer how wide this field is.
- Add defintions for all possible values.
This patch doesn't change anything, I still have to figure out how
interlaced is supposed to work on ilk+.
Cc: Peter Ross <pross at xvid.org>
Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
drivers/gpu/drm/i915/i915_reg.h | 17 ++++++++++++++---
1 files changed, 14 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index c3afb78..e214260 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2319,10 +2319,21 @@
#define PIPECONF_PALETTE 0
#define PIPECONF_GAMMA (1<<24)
#define PIPECONF_FORCE_BORDER (1<<25)
-#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)
+/* Note that pre-gen3 does not support interlaced display. Panel fitting must
+ * be disabled on pre-ilk for interlaced. */
+#define PIPECONF_PROGRESSIVE (0 << 21)
+#define PIPECONF_INTERLACE_W_SYNC_SHIFT_PANEL (4 << 21) /* gen4 only */
+#define PIPECONF_INTERLACE_W_SYNC_SHIFT (5 << 21) /* gen4 only */
+#define PIPECONF_INTERLACE_W_FIELD_INDICATION (6 << 21)
+#define PIPECONF_INTERLACE_FIELD_0_ONLY (7 << 21) /* gen3 only */
+/* Ironlake and later have a complete new set of values for interlaced. PFIT
+ * means panel fitter required, PF means progressive fetch, DBL means power
+ * saving pixel doubling. */
+#define PIPECONF_PFIT_PF_INTERLACED_ILK (1 << 21)
+#define PIPECONF_INTERLACED_ILK (3 << 21)
+#define PIPECONF_INTERLACED_DBL_ILK (4 << 21)
+#define PIPECONF_PFIT_PF_INTERLACED_DBL_ILK (5 << 21)
#define PIPECONF_CXSR_DOWNCLOCK (1<<16)
#define PIPECONF_BPP_MASK (0x000000e0)
#define PIPECONF_BPP_8 (0<<5)
--
1.7.7.5
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