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drm/rockchip: vop: Improve registers dump

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Add vop register address base.
Add callback for active register dump.

Change-Id: I78b39f160c799aa72da22f17564696c92a256962
Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
This commit is contained in:
Andy Yan
2024-03-15 11:55:10 +08:00
committed by Tao Huang
parent 6b460d196d
commit b34ddbc6c6
1 changed files with 6 additions and 1 deletions
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7
drivers/gpu/drm/rockchip/rockchip_drm_vop.c
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@@ -261,6 +261,7 @@ struct vop {
int num_wins;
uint32_t *regsbak;
struct resource *res;
void __iomem *regs;
struct regmap *grf;
struct regmap *vo0_grf;
@@ -2835,13 +2836,15 @@ static void vop_crtc_regs_dump(struct drm_crtc *crtc, struct seq_file *s)
struct vop *vop = to_vop(crtc);
struct drm_crtc_state *crtc_state = crtc->state;
int dump_len = vop->len > 0x400 ? 0x400 : vop->len;
resource_size_t offset_addr;
int i;
if (!crtc_state->active)
return;
offset_addr = vop->res->start;
for (i = 0; i < dump_len; i += 16) {
DEBUG_PRINT("0x%08x: %08x %08x %08x %08x\n", i,
DEBUG_PRINT("0x%08x: %08x %08x %08x %08x\n", (u32)offset_addr + i,
vop_readl(vop, i), vop_readl(vop, i + 4),
vop_readl(vop, i + 8), vop_readl(vop, i + 12));
}
@@ -3269,6 +3272,7 @@ static const struct rockchip_crtc_funcs private_crtc_funcs = {
.cancel_pending_vblank = vop_crtc_cancel_pending_vblank,
.debugfs_init = vop_crtc_debugfs_init,
.debugfs_dump = vop_crtc_debugfs_dump,
.active_regs_dump = vop_crtc_regs_dump,
.regs_dump = vop_crtc_regs_dump,
.bandwidth = vop_crtc_bandwidth,
.crtc_close = vop_crtc_close,
@@ -5265,6 +5269,7 @@ static int vop_bind(struct device *dev, struct device *master, void *data)
dev_warn(vop->dev, "failed to get vop register byname\n");
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
}
vop->res = res;
vop->regs = devm_ioremap_resource(dev, res);
if (IS_ERR(vop->regs))
return PTR_ERR(vop->regs);