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drm/v3d: Add V3D tech revision to the device information

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The V3D tech revision can be a useful information when configuring
jobs. Therefore, expose it in the `struct v3d_dev` with the V3D tech
version.

Signed-off-by: Maíra Canal <mcanal@igalia.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240714145243.1223131-1-mcanal@igalia.com
This commit is contained in:
Maíra Canal 2024-07-14 11:49:11 -03:00
parent c537fb4e3d
commit 7c78fdbace
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GPG Key ID: 6E388F05AB35B7CF
2 changed files with 9 additions and 4 deletions
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5
drivers/gpu/drm/v3d/v3d_drv.c
View File

@ -265,7 +265,7 @@ static int v3d_platform_drm_probe(struct platform_device *pdev)
struct v3d_dev *v3d;
int ret;
u32 mmu_debug;
u32 ident1;
u32 ident1, ident3;
u64 mask;
v3d = devm_drm_dev_alloc(dev, &v3d_drm_driver, struct v3d_dev, drm);
@ -298,6 +298,9 @@ static int v3d_platform_drm_probe(struct platform_device *pdev)
v3d->cores = V3D_GET_FIELD(ident1, V3D_HUB_IDENT1_NCORES);
WARN_ON(v3d->cores > 1); /* multicore not yet implemented */
ident3 = V3D_READ(V3D_HUB_IDENT3);
v3d->rev = V3D_GET_FIELD(ident3, V3D_HUB_IDENT3_IPREV);
if (v3d->ver >= 71)
v3d->max_counters = V3D_V71_NUM_PERFCOUNTERS;
else if (v3d->ver >= 42)

8
drivers/gpu/drm/v3d/v3d_drv.h
View File

@ -98,10 +98,12 @@ struct v3d_perfmon {
struct v3d_dev {
struct drm_device drm;
/* Short representation (e.g. 33, 41) of the V3D tech version
* and revision.
*/
/* Short representation (e.g. 33, 41) of the V3D tech version */
int ver;
/* Short representation (e.g. 5, 6) of the V3D tech revision */
int rev;
bool single_irq_line;
/* Different revisions of V3D have different total number of performance