On Tue, 18 Feb 2014, bradley.d.volkin@xxxxxxxxx wrote:
> From: Brad Volkin <bradley.d.volkin@xxxxxxxxx>
>
> Add command tables defining irregular length commands for each ring.
> This requires a few new command opcode definitions.
>
> v2: Whitespace adjustment in command definitions, sparse fix for !F
Apart from the table contents,
Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>
> OTC-Tracker: AXIA-4631
> Change-Id: I064bceb457e15f46928058352afe76d918c58ef5
> Signed-off-by: Brad Volkin <bradley.d.volkin@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/i915_cmd_parser.c | 157 +++++++++++++++++++++++++++++++++
> drivers/gpu/drm/i915/i915_reg.h | 46 ++++++++++
> 2 files changed, 203 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c
> index 7a5756e..12241e8 100644
> --- a/drivers/gpu/drm/i915/i915_cmd_parser.c
> +++ b/drivers/gpu/drm/i915/i915_cmd_parser.c
> @@ -86,6 +86,148 @@
> * general bitmasking mechanism.
> */
>
> +#define STD_MI_OPCODE_MASK 0xFF800000
> +#define STD_3D_OPCODE_MASK 0xFFFF0000
> +#define STD_2D_OPCODE_MASK 0xFFC00000
> +#define STD_MFX_OPCODE_MASK 0xFFFF0000
> +
> +#define CMD(op, opm, f, lm, fl, ...) \
> + { \
> + .flags = (fl) | ((f) ? CMD_DESC_FIXED : 0), \
> + .cmd = { (op), (opm) }, \
> + .length = { (lm) }, \
> + __VA_ARGS__ \
> + }
> +
> +/* Convenience macros to compress the tables */
> +#define SMI STD_MI_OPCODE_MASK
> +#define S3D STD_3D_OPCODE_MASK
> +#define S2D STD_2D_OPCODE_MASK
> +#define SMFX STD_MFX_OPCODE_MASK
> +#define F true
> +#define S CMD_DESC_SKIP
> +#define R CMD_DESC_REJECT
> +#define W CMD_DESC_REGISTER
> +#define B CMD_DESC_BITMASK
> +#define M CMD_DESC_MASTER
> +
> +/* Command Mask Fixed Len Action
> + ---------------------------------------------------------- */
> +static const struct drm_i915_cmd_descriptor common_cmds[] = {
> + CMD( MI_NOOP, SMI, F, 1, S ),
> + CMD( MI_USER_INTERRUPT, SMI, F, 1, S ),
> + CMD( MI_WAIT_FOR_EVENT, SMI, F, 1, S ),
> + CMD( MI_ARB_CHECK, SMI, F, 1, S ),
> + CMD( MI_REPORT_HEAD, SMI, F, 1, S ),
> + CMD( MI_SUSPEND_FLUSH, SMI, F, 1, S ),
> + CMD( MI_SEMAPHORE_MBOX, SMI, !F, 0xFF, S ),
> + CMD( MI_STORE_DWORD_INDEX, SMI, !F, 0xFF, S ),
> + CMD( MI_LOAD_REGISTER_IMM(1), SMI, !F, 0xFF, S ),
> + CMD( MI_STORE_REGISTER_MEM(1), SMI, !F, 0xFF, S ),
> + CMD( MI_LOAD_REGISTER_MEM, SMI, !F, 0xFF, S ),
> + CMD( MI_BATCH_BUFFER_START, SMI, !F, 0xFF, S ),
> +};
> +
> +static const struct drm_i915_cmd_descriptor render_cmds[] = {
> + CMD( MI_FLUSH, SMI, F, 1, S ),
> + CMD( MI_ARB_ON_OFF, SMI, F, 1, S ),
> + CMD( MI_PREDICATE, SMI, F, 1, S ),
> + CMD( MI_TOPOLOGY_FILTER, SMI, F, 1, S ),
> + CMD( MI_DISPLAY_FLIP, SMI, !F, 0xFF, S ),
> + CMD( MI_SET_CONTEXT, SMI, !F, 0xFF, S ),
> + CMD( MI_URB_CLEAR, SMI, !F, 0xFF, S ),
> + CMD( MI_UPDATE_GTT, SMI, !F, 0xFF, S ),
> + CMD( MI_CLFLUSH, SMI, !F, 0x3FF, S ),
> + CMD( MI_CONDITIONAL_BATCH_BUFFER_END, SMI, !F, 0xFF, S ),
> + CMD( GFX_OP_3DSTATE_VF_STATISTICS, S3D, F, 1, S ),
> + CMD( PIPELINE_SELECT, S3D, F, 1, S ),
> + CMD( GPGPU_OBJECT, S3D, !F, 0xFF, S ),
> + CMD( GPGPU_WALKER, S3D, !F, 0xFF, S ),
> + CMD( GFX_OP_3DSTATE_SO_DECL_LIST, S3D, !F, 0x1FF, S ),
> +};
> +
> +static const struct drm_i915_cmd_descriptor hsw_render_cmds[] = {
> + CMD( MI_SET_PREDICATE, SMI, F, 1, S ),
> + CMD( MI_RS_CONTROL, SMI, F, 1, S ),
> + CMD( MI_URB_ATOMIC_ALLOC, SMI, F, 1, S ),
> + CMD( MI_RS_CONTEXT, SMI, F, 1, S ),
> + CMD( MI_LOAD_REGISTER_REG, SMI, !F, 0xFF, S ),
> + CMD( MI_RS_STORE_DATA_IMM, SMI, !F, 0xFF, S ),
> + CMD( MI_LOAD_URB_MEM, SMI, !F, 0xFF, S ),
> + CMD( MI_STORE_URB_MEM, SMI, !F, 0xFF, S ),
> + CMD( GFX_OP_3DSTATE_DX9_CONSTANTF_VS, S3D, !F, 0x7FF, S ),
> + CMD( GFX_OP_3DSTATE_DX9_CONSTANTF_PS, S3D, !F, 0x7FF, S ),
> +
> + CMD( GFX_OP_3DSTATE_BINDING_TABLE_EDIT_VS, S3D, !F, 0x1FF, S ),
> + CMD( GFX_OP_3DSTATE_BINDING_TABLE_EDIT_GS, S3D, !F, 0x1FF, S ),
> + CMD( GFX_OP_3DSTATE_BINDING_TABLE_EDIT_HS, S3D, !F, 0x1FF, S ),
> + CMD( GFX_OP_3DSTATE_BINDING_TABLE_EDIT_DS, S3D, !F, 0x1FF, S ),
> + CMD( GFX_OP_3DSTATE_BINDING_TABLE_EDIT_PS, S3D, !F, 0x1FF, S ),
> +};
> +
> +static const struct drm_i915_cmd_descriptor video_cmds[] = {
> + CMD( MI_ARB_ON_OFF, SMI, F, 1, S ),
> + CMD( MI_STORE_DWORD_IMM, SMI, !F, 0xFF, S ),
> + CMD( MI_CONDITIONAL_BATCH_BUFFER_END, SMI, !F, 0xFF, S ),
> + /*
> + * MFX_WAIT doesn't fit the way we handle length for most commands.
> + * It has a length field but it uses a non-standard length bias.
> + * It is always 1 dword though, so just treat it as fixed length.
> + */
> + CMD( MFX_WAIT, SMFX, F, 1, S ),
> +};
> +
> +static const struct drm_i915_cmd_descriptor vecs_cmds[] = {
> + CMD( MI_ARB_ON_OFF, SMI, F, 1, S ),
> + CMD( MI_STORE_DWORD_IMM, SMI, !F, 0xFF, S ),
> + CMD( MI_CONDITIONAL_BATCH_BUFFER_END, SMI, !F, 0xFF, S ),
> +};
> +
> +static const struct drm_i915_cmd_descriptor blt_cmds[] = {
> + CMD( MI_DISPLAY_FLIP, SMI, !F, 0xFF, S ),
> + CMD( MI_STORE_DWORD_IMM, SMI, !F, 0x3FF, S ),
> + CMD( COLOR_BLT, S2D, !F, 0x3F, S ),
> + CMD( SRC_COPY_BLT, S2D, !F, 0x3F, S ),
> +};
> +
> +#undef CMD
> +#undef SMI
> +#undef S3D
> +#undef S2D
> +#undef SMFX
> +#undef F
> +#undef S
> +#undef R
> +#undef W
> +#undef B
> +#undef M
> +
> +static const struct drm_i915_cmd_table gen7_render_cmds[] = {
> + { common_cmds, ARRAY_SIZE(common_cmds) },
> + { render_cmds, ARRAY_SIZE(render_cmds) },
> +};
> +
> +static const struct drm_i915_cmd_table hsw_render_ring_cmds[] = {
> + { common_cmds, ARRAY_SIZE(common_cmds) },
> + { render_cmds, ARRAY_SIZE(render_cmds) },
> + { hsw_render_cmds, ARRAY_SIZE(hsw_render_cmds) },
> +};
> +
> +static const struct drm_i915_cmd_table gen7_video_cmds[] = {
> + { common_cmds, ARRAY_SIZE(common_cmds) },
> + { video_cmds, ARRAY_SIZE(video_cmds) },
> +};
> +
> +static const struct drm_i915_cmd_table hsw_vebox_cmds[] = {
> + { common_cmds, ARRAY_SIZE(common_cmds) },
> + { vecs_cmds, ARRAY_SIZE(vecs_cmds) },
> +};
> +
> +static const struct drm_i915_cmd_table gen7_blt_cmds[] = {
> + { common_cmds, ARRAY_SIZE(common_cmds) },
> + { blt_cmds, ARRAY_SIZE(blt_cmds) },
> +};
> +
> static u32 gen7_render_get_cmd_length_mask(u32 cmd_header)
> {
> u32 client = (cmd_header & INSTR_CLIENT_MASK) >> INSTR_CLIENT_SHIFT;
> @@ -200,15 +342,30 @@ void i915_cmd_parser_init_ring(struct intel_ring_buffer *ring)
>
> switch (ring->id) {
> case RCS:
> + if (IS_HASWELL(ring->dev)) {
> + ring->cmd_tables = hsw_render_ring_cmds;
> + ring->cmd_table_count =
> + ARRAY_SIZE(hsw_render_ring_cmds);
> + } else {
> + ring->cmd_tables = gen7_render_cmds;
> + ring->cmd_table_count = ARRAY_SIZE(gen7_render_cmds);
> + }
> +
> ring->get_cmd_length_mask = gen7_render_get_cmd_length_mask;
> break;
> case VCS:
> + ring->cmd_tables = gen7_video_cmds;
> + ring->cmd_table_count = ARRAY_SIZE(gen7_video_cmds);
> ring->get_cmd_length_mask = gen7_bsd_get_cmd_length_mask;
> break;
> case BCS:
> + ring->cmd_tables = gen7_blt_cmds;
> + ring->cmd_table_count = ARRAY_SIZE(gen7_blt_cmds);
> ring->get_cmd_length_mask = gen7_blt_get_cmd_length_mask;
> break;
> case VECS:
> + ring->cmd_tables = hsw_vebox_cmds;
> + ring->cmd_table_count = ARRAY_SIZE(hsw_vebox_cmds);
> /* VECS can use the same length_mask function as VCS */
> ring->get_cmd_length_mask = gen7_bsd_get_cmd_length_mask;
> break;
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index e14dfda..3f0b414 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -347,6 +347,52 @@
> #define PIPE_CONTROL_DEPTH_CACHE_FLUSH (1<<0)
> #define PIPE_CONTROL_GLOBAL_GTT (1<<2) /* in addr dword */
>
> +/*
> + * Commands used only by the command parser
> + */
> +#define MI_SET_PREDICATE MI_INSTR(0x01, 0)
> +#define MI_ARB_CHECK MI_INSTR(0x05, 0)
> +#define MI_RS_CONTROL MI_INSTR(0x06, 0)
> +#define MI_URB_ATOMIC_ALLOC MI_INSTR(0x09, 0)
> +#define MI_PREDICATE MI_INSTR(0x0C, 0)
> +#define MI_RS_CONTEXT MI_INSTR(0x0F, 0)
> +#define MI_TOPOLOGY_FILTER MI_INSTR(0x0D, 0)
> +#define MI_URB_CLEAR MI_INSTR(0x19, 0)
> +#define MI_UPDATE_GTT MI_INSTR(0x23, 0)
> +#define MI_CLFLUSH MI_INSTR(0x27, 0)
> +#define MI_LOAD_REGISTER_MEM MI_INSTR(0x29, 0)
> +#define MI_LOAD_REGISTER_REG MI_INSTR(0x2A, 0)
> +#define MI_RS_STORE_DATA_IMM MI_INSTR(0x2B, 0)
> +#define MI_LOAD_URB_MEM MI_INSTR(0x2C, 0)
> +#define MI_STORE_URB_MEM MI_INSTR(0x2D, 0)
> +#define MI_CONDITIONAL_BATCH_BUFFER_END MI_INSTR(0x36, 0)
> +
> +#define PIPELINE_SELECT ((0x3<<29)|(0x1<<27)|(0x1<<24)|(0x4<<16))
> +#define GFX_OP_3DSTATE_VF_STATISTICS ((0x3<<29)|(0x1<<27)|(0x0<<24)|(0xB<<16))
> +#define GPGPU_OBJECT ((0x3<<29)|(0x2<<27)|(0x1<<24)|(0x4<<16))
> +#define GPGPU_WALKER ((0x3<<29)|(0x2<<27)|(0x1<<24)|(0x5<<16))
> +#define GFX_OP_3DSTATE_DX9_CONSTANTF_VS \
> + ((0x3<<29)|(0x3<<27)|(0x0<<24)|(0x39<<16))
> +#define GFX_OP_3DSTATE_DX9_CONSTANTF_PS \
> + ((0x3<<29)|(0x3<<27)|(0x0<<24)|(0x3A<<16))
> +#define GFX_OP_3DSTATE_SO_DECL_LIST \
> + ((0x3<<29)|(0x3<<27)|(0x1<<24)|(0x17<<16))
> +
> +#define GFX_OP_3DSTATE_BINDING_TABLE_EDIT_VS \
> + ((0x3<<29)|(0x3<<27)|(0x0<<24)|(0x43<<16))
> +#define GFX_OP_3DSTATE_BINDING_TABLE_EDIT_GS \
> + ((0x3<<29)|(0x3<<27)|(0x0<<24)|(0x44<<16))
> +#define GFX_OP_3DSTATE_BINDING_TABLE_EDIT_HS \
> + ((0x3<<29)|(0x3<<27)|(0x0<<24)|(0x45<<16))
> +#define GFX_OP_3DSTATE_BINDING_TABLE_EDIT_DS \
> + ((0x3<<29)|(0x3<<27)|(0x0<<24)|(0x46<<16))
> +#define GFX_OP_3DSTATE_BINDING_TABLE_EDIT_PS \
> + ((0x3<<29)|(0x3<<27)|(0x0<<24)|(0x47<<16))
> +
> +#define MFX_WAIT ((0x3<<29)|(0x1<<27)|(0x0<<16))
> +
> +#define COLOR_BLT ((0x2<<29)|(0x40<<22))
> +#define SRC_COPY_BLT ((0x2<<29)|(0x43<<22))
>
> /*
> * Reset registers
> --
> 1.8.3.2
>
> _______________________________________________
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> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Jani Nikula, Intel Open Source Technology Center
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