drm/i915/icl: Fix DSS_CTL register names

This patch fixes the naming of the registers:

s/PIPE_DSS_CTL/ICL_PIPE_DSS_CTL

And also fix the hex values to lower case, to match
rest of the definitions.

Manasi noticed this with the patch that was merged.

v2: fix "Fixes" tag.

Fixes: 8b1b558d ("drm/i915/icl: Add DSS_CTL Registers")
Suggested-by: Manasi Navare <manasi.d.navare@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181101214216.8958-1-anusha.srivatsa@intel.com

drivers/gpu/drm/i915/i915_reg.h

@@ -10050,7 +10050,7 @@ enum skl_power_gate {
 #define  OVERLAP_PIXELS(pixels)			((pixels) << 16)
 #define  LEFT_DL_BUF_TARGET_DEPTH_MASK		(0xfff << 0)
 #define  LEFT_DL_BUF_TARGET_DEPTH(pixels)	((pixels) << 0)
-#define  MAX_DL_BUFFER_TARGET_DEPTH		0x5A0
+#define  MAX_DL_BUFFER_TARGET_DEPTH		0x5a0
 
 #define DSS_CTL2				_MMIO(0x67404)
 #define  LEFT_BRANCH_VDSC_ENABLE		(1 << 31)
@@ -10058,20 +10058,20 @@ enum skl_power_gate {
 #define  RIGHT_DL_BUF_TARGET_DEPTH_MASK		(0xfff << 0)
 #define  RIGHT_DL_BUF_TARGET_DEPTH(pixels)	((pixels) << 0)
 
-#define _PIPE_DSS_CTL1_PB			0x78200
-#define _PIPE_DSS_CTL1_PC			0x78400
-#define PIPE_DSS_CTL1(pipe)			_MMIO_PIPE((pipe) - PIPE_B, \
-							   _PIPE_DSS_CTL1_PB, \
-							   _PIPE_DSS_CTL1_PC)
+#define _ICL_PIPE_DSS_CTL1_PB			0x78200
+#define _ICL_PIPE_DSS_CTL1_PC			0x78400
+#define ICL_PIPE_DSS_CTL1(pipe)			_MMIO_PIPE((pipe) - PIPE_B, \
+							   _ICL_PIPE_DSS_CTL1_PB, \
+							   _ICL_PIPE_DSS_CTL1_PC)
 #define  BIG_JOINER_ENABLE			(1 << 29)
 #define  MASTER_BIG_JOINER_ENABLE		(1 << 28)
 #define  VGA_CENTERING_ENABLE			(1 << 27)
 
-#define _PIPE_DSS_CTL2_PB			0x78204
-#define _PIPE_DSS_CTL2_PC			0x78404
-#define PIPE_DSS_CTL2(pipe)			_MMIO_PIPE((pipe) - PIPE_B, \
-							   _PIPE_DSS_CTL2_PB, \
-							   _PIPE_DSS_CTL2_PC)
+#define _ICL_PIPE_DSS_CTL2_PB			0x78204
+#define _ICL_PIPE_DSS_CTL2_PC			0x78404
+#define ICL_PIPE_DSS_CTL2(pipe)			_MMIO_PIPE((pipe) - PIPE_B, \
+							   _ICL_PIPE_DSS_CTL2_PB, \
+							   _ICL_PIPE_DSS_CTL2_PC)
 
 #define BXT_P_DSI_REGULATOR_CFG			_MMIO(0x160020)
 #define  STAP_SELECT					(1 << 0)