drm/amdgpu/atom: add support for new mul32 opcodes (v2) (c9c14502) · Commits · e / devices / android_kernel_oneplus_sm7250

drivers/gpu/drm/amd/amdgpu/atom.c

+17 −1

Original line number	Diff line number	Diff line
		@@ -788,6 +788,20 @@ static void atom_op_mul(atom_exec_context ctx, int ptr, int arg)
		ctx->ctx->divmul[0] = dst * src;
		}

		static void atom_op_mul32(atom_exec_context ctx, int ptr, int arg)
		{
		uint64_t val64;
		uint8_t attr = U8((*ptr)++);
		uint32_t dst, src;
		SDEBUG(" src1: ");
		dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
		SDEBUG(" src2: ");
		src = atom_get_src(ctx, attr, ptr);
		val64 = (uint64_t)dst * (uint64_t)src;
		ctx->ctx->divmul[0] = lower_32_bits(val64);
		ctx->ctx->divmul[1] = upper_32_bits(val64);
		}

		static void atom_op_nop(atom_exec_context ctx, int ptr, int arg)
		{
		/* nothing */
		@@ -1160,7 +1174,9 @@ static struct {
		atom_op_shr, ATOM_ARG_PLL}, {
		atom_op_shr, ATOM_ARG_MC}, {
		atom_op_debug, 0}, {
		atom_op_processds, 0},
		atom_op_processds, 0}, {
		atom_op_mul32, ATOM_ARG_PS}, {
		atom_op_mul32, ATOM_ARG_WS},
		};

		static int amdgpu_atom_execute_table_locked(struct atom_context ctx, int index, uint32_t params)

+1 −1