Unverified Commit 7c78fdba authored by Maíra Canal's avatar Maíra Canal
Browse files

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



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: default avatarMaíra Canal <mcanal@igalia.com>
Reviewed-by: default avatarIago Toral Quiroga <itoral@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240714145243.1223131-1-mcanal@igalia.com
parent c537fb4e

drivers/gpu/drm/v3d/v3d_drv.c

+4 −1
Original line number Diff line number Diff line
@@ -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)

drivers/gpu/drm/v3d/v3d_drv.h

+5 −3
Original line number Diff line number Diff line
@@ -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