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drm/i915: Don't use enums for hardware engine id

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Generally we are using macros for any hardware identifiers as these
may change between Gens. Do the same with hardware engine ids.

v2: move hw engine defs to i915_reg.h (Chris)

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170301202615.118632-1-michal.wajdeczko@intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Michal Wajdeczko 2017-03-01 20:26:15 +00:00 committed by Chris Wilson
parent 61d3dc7080
commit 237ae7c79e
3 changed files with 24 additions and 18 deletions
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6
drivers/gpu/drm/i915/i915_reg.h
View File

@ -77,7 +77,13 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
#define _MASKED_BIT_ENABLE(a) ({ typeof(a) _a = (a); _MASKED_FIELD(_a, _a); })
#define _MASKED_BIT_DISABLE(a) (_MASKED_FIELD((a), 0))
/* Engine ID */
#define RCS_HW 0
#define VCS_HW 1
#define BCS_HW 2
#define VECS_HW 3
#define VCS2_HW 4
/* PCI config space */

4
drivers/gpu/drm/i915/intel_engine_cs.c
View File

@ -28,8 +28,8 @@
static const struct engine_info {
const char *name;
unsigned exec_id;
enum intel_engine_hw_id hw_id;
unsigned int exec_id;
unsigned int hw_id;
u32 mmio_base;
unsigned irq_shift;
int (*init_legacy)(struct intel_engine_cs *engine);

32
drivers/gpu/drm/i915/intel_ringbuffer.h
View File

@ -186,26 +186,26 @@ struct i915_ctx_workarounds {
struct drm_i915_gem_request;
struct intel_render_state;
/*
* Engine IDs definitions.
* Keep instances of the same type engine together.
*/
enum intel_engine_id {
RCS = 0,
BCS,
VCS,
VCS2,
#define _VCS(n) (VCS + (n))
VECS
};
struct intel_engine_cs {
struct drm_i915_private *i915;
const char *name;
enum intel_engine_id {
RCS = 0,
BCS,
VCS,
VCS2, /* Keep instances of the same type engine together. */
VECS
} id;
#define _VCS(n) (VCS + (n))
enum intel_engine_id id;
unsigned int exec_id;
enum intel_engine_hw_id {
RCS_HW = 0,
VCS_HW,
BCS_HW,
VECS_HW,
VCS2_HW
} hw_id;
enum intel_engine_hw_id guc_id; /* XXX same as hw_id? */
unsigned int hw_id;
unsigned int guc_id;
u32 mmio_base;
unsigned int irq_shift;
struct intel_ring *buffer;