On 4/29/2019 7:42 PM, Jani Nikula wrote:
On Fri, 26 Apr 2019, Shashank Sharma <shashank.sharma@xxxxxxxxx> wrote:
From: Uma Shankar <uma.shankar@xxxxxxxxx>
Add macros to define multi segmented gamma registers
Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Signed-off-by: Uma Shankar <uma.shankar@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_reg.h | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index b74824f0b5b1..fc50e85ca895 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -7198,6 +7198,7 @@ enum {
#define GAMMA_MODE_MODE_10BIT (1 << 0)
#define GAMMA_MODE_MODE_12BIT (2 << 0)
#define GAMMA_MODE_MODE_SPLIT (3 << 0)
+#define GAMMA_MODE_MODE_12BIT_MULTI_SEGMENTED (3 << 0)
/* DMC/CSR */
#define CSR_PROGRAM(i) _MMIO(0x80000 + (i) * 4)
@@ -10144,6 +10145,22 @@ enum skl_power_gate {
#define PRE_CSC_GAMC_INDEX(pipe) _MMIO_PIPE(pipe, _PRE_CSC_GAMC_INDEX_A, _PRE_CSC_GAMC_INDEX_B)
#define PRE_CSC_GAMC_DATA(pipe) _MMIO_PIPE(pipe, _PRE_CSC_GAMC_DATA_A, _PRE_CSC_GAMC_DATA_B)
+/* Add registers for Gen11 Multi Segmented Gamma Mode */
+#define _PAL_PREC_MULTI_SEG_INDEX_A 0x4A408
+#define _PAL_PREC_MULTI_SEG_INDEX_B 0x4AC08
+#define PAL_PREC_MULTI_SEGMENT_AUTO_INCREMENT BIT(15)
+#define PAL_PREC_MULTI_SEGMENT_INDEX_VALUE_MASK (0x1f << 0)
See REG_BIT() and REG_FIELD_PREP() at the top of the file.
BR,
Jani.
Got it Jani, Thanks !
Regards
Shashank
+
+#define _PAL_PREC_MULTI_SEG_DATA_A 0x4A40C
+#define _PAL_PREC_MULTI_SEG_DATA_B 0x4AC0C
+
+#define PREC_PAL_MULTI_SEG_INDEX(pipe) _MMIO_PIPE(pipe, \
+ _PAL_PREC_MULTI_SEG_INDEX_A, \
+ _PAL_PREC_MULTI_SEG_INDEX_B)
+#define PREC_PAL_MULTI_SEG_DATA(pipe) _MMIO_PIPE(pipe, \
+ _PAL_PREC_MULTI_SEG_DATA_A, \
+ _PAL_PREC_MULTI_SEG_DATA_B)
+
/* pipe CSC & degamma/gamma LUTs on CHV */
#define _CGM_PIPE_A_CSC_COEFF01 (VLV_DISPLAY_BASE + 0x67900)
#define _CGM_PIPE_A_CSC_COEFF23 (VLV_DISPLAY_BASE + 0x67904)
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