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authorMichał Winiarski <michal.winiarski@intel.com>2019-09-26 12:06:33 +0200
committerChris Wilson <chris@chris-wilson.co.uk>2019-09-26 22:11:04 +0100
commit74b2089a105f43c33d2f2124bd03d1085fe7c9fc (patch)
treeac3263f213fc170e682a6f28caa0077ff9363cec /drivers/gpu/drm/i915/gt/intel_gpu_commands.h
parent56316cbc9c986ce907bfcf4f3762f2494e44f439 (diff)
drm/i915: Add definitions for MI_MATH command
We can use it in i915 for updating parts of unmasked registers from within a batch. We're also adding Gen8+ versions of CS_GPR registers (aka MI_MATH_REG in the coprocessor). Signed-off-by: Michał Winiarski <michal.winiarski@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20190926100635.9416-4-michal.winiarski@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_gpu_commands.h')
-rw-r--r--drivers/gpu/drm/i915/gt/intel_gpu_commands.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gpu_commands.h b/drivers/gpu/drm/i915/gt/intel_gpu_commands.h
index 9211b1ad401b..b0227ab2fe1b 100644
--- a/drivers/gpu/drm/i915/gt/intel_gpu_commands.h
+++ b/drivers/gpu/drm/i915/gt/intel_gpu_commands.h
@@ -241,6 +241,29 @@
#define PIPE_CONTROL_DEPTH_CACHE_FLUSH (1<<0)
#define PIPE_CONTROL_GLOBAL_GTT (1<<2) /* in addr dword */
+#define MI_MATH(x) MI_INSTR(0x1a, (x) - 1)
+#define MI_MATH_INSTR(opcode, op1, op2) ((opcode) << 20 | (op1) << 10 | (op2))
+/* Opcodes for MI_MATH_INSTR */
+#define MI_MATH_NOOP MI_MATH_INSTR(0x000, 0x0, 0x0)
+#define MI_MATH_LOAD(op1, op2) MI_MATH_INSTR(0x080, op1, op2)
+#define MI_MATH_LOADINV(op1, op2) MI_MATH_INSTR(0x480, op1, op2)
+#define MI_MATH_LOAD0(op1) MI_MATH_INSTR(0x081, op1)
+#define MI_MATH_LOAD1(op1) MI_MATH_INSTR(0x481, op1)
+#define MI_MATH_ADD MI_MATH_INSTR(0x100, 0x0, 0x0)
+#define MI_MATH_SUB MI_MATH_INSTR(0x101, 0x0, 0x0)
+#define MI_MATH_AND MI_MATH_INSTR(0x102, 0x0, 0x0)
+#define MI_MATH_OR MI_MATH_INSTR(0x103, 0x0, 0x0)
+#define MI_MATH_XOR MI_MATH_INSTR(0x104, 0x0, 0x0)
+#define MI_MATH_STORE(op1, op2) MI_MATH_INSTR(0x180, op1, op2)
+#define MI_MATH_STOREINV(op1, op2) MI_MATH_INSTR(0x580, op1, op2)
+/* Registers used as operands in MI_MATH_INSTR */
+#define MI_MATH_REG(x) (x)
+#define MI_MATH_REG_SRCA 0x20
+#define MI_MATH_REG_SRCB 0x21
+#define MI_MATH_REG_ACCU 0x31
+#define MI_MATH_REG_ZF 0x32
+#define MI_MATH_REG_CF 0x33
+
/*
* Commands used only by the command parser
*/