drm/i915/dsb: Add mode DSB opcodes

Add all the know DSB instruction opcodes.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221216003810.13338-12-ville.syrjala@linux.intel.com
Reviewed-by: Animesh Manna <animesh.manna@intel.com>

diff --git a/drivers/gpu/drm/i915/display/intel_dsb.c b/drivers/gpu/drm/i915/display/intel_dsb.c
index 7c593ec..96bc117 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_dsb.c
+++ b/drivers/gpu/drm/i915/display/intel_dsb.c
@@ -67,8 +67,16 @@ struct intel_dsb {
 
 /* DSB opcodes. */
 #define DSB_OPCODE_SHIFT               24
+#define DSB_OPCODE_NOOP                        0x0
 #define DSB_OPCODE_MMIO_WRITE          0x1
+#define DSB_OPCODE_WAIT_USEC           0x2
+#define DSB_OPCODE_WAIT_LINES          0x3
+#define DSB_OPCODE_WAIT_VBLANKS                0x4
+#define DSB_OPCODE_WAIT_DSL_IN         0x5
+#define DSB_OPCODE_WAIT_DSL_OUT                0x6
+#define DSB_OPCODE_INTERRUPT           0x7
 #define DSB_OPCODE_INDEXED_WRITE       0x9
+#define DSB_OPCODE_POLL                        0xA
 #define DSB_BYTE_EN                    0xF
 #define DSB_BYTE_EN_SHIFT              20
 #define DSB_REG_VALUE_MASK             0xfffff