From: Dave Stevenson dave.stevenson@raspberrypi.com
[ Upstream commit 25eb441d55d479581a65bcc9de88bc1d86bf76c1 ]
The vc5 HDMI registers hadn't been added into the debugfs register sets, therefore weren't dumped on request. Add them in.
Fixes: 8323989140f3 ("drm/vc4: hdmi: Support the BCM2711 HDMI controllers") Signed-off-by: Dave Stevenson dave.stevenson@raspberrypi.com Link: https://lore.kernel.org/r/20220613144800.326124-19-maxime@cerno.tech Signed-off-by: Maxime Ripard maxime@cerno.tech Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/vc4/vc4_hdmi.c | 39 ++++++++++++++++++++++++++++++++++ drivers/gpu/drm/vc4/vc4_hdmi.h | 8 +++++++ 2 files changed, 47 insertions(+)
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index 3ff35e3649aa..2ff53482d5d1 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -122,6 +122,12 @@ static int vc4_hdmi_debugfs_regs(struct seq_file *m, void *unused)
drm_print_regset32(&p, &vc4_hdmi->hdmi_regset); drm_print_regset32(&p, &vc4_hdmi->hd_regset); + drm_print_regset32(&p, &vc4_hdmi->cec_regset); + drm_print_regset32(&p, &vc4_hdmi->csc_regset); + drm_print_regset32(&p, &vc4_hdmi->dvp_regset); + drm_print_regset32(&p, &vc4_hdmi->phy_regset); + drm_print_regset32(&p, &vc4_hdmi->ram_regset); + drm_print_regset32(&p, &vc4_hdmi->rm_regset);
return 0; } @@ -2374,6 +2380,7 @@ static int vc5_hdmi_init_resources(struct vc4_hdmi *vc4_hdmi) struct platform_device *pdev = vc4_hdmi->pdev; struct device *dev = &pdev->dev; struct resource *res; + int ret;
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "hdmi"); if (!res) @@ -2470,6 +2477,38 @@ static int vc5_hdmi_init_resources(struct vc4_hdmi *vc4_hdmi) return PTR_ERR(vc4_hdmi->reset); }
+ ret = vc4_hdmi_build_regset(vc4_hdmi, &vc4_hdmi->hdmi_regset, VC4_HDMI); + if (ret) + return ret; + + ret = vc4_hdmi_build_regset(vc4_hdmi, &vc4_hdmi->hd_regset, VC4_HD); + if (ret) + return ret; + + ret = vc4_hdmi_build_regset(vc4_hdmi, &vc4_hdmi->cec_regset, VC5_CEC); + if (ret) + return ret; + + ret = vc4_hdmi_build_regset(vc4_hdmi, &vc4_hdmi->csc_regset, VC5_CSC); + if (ret) + return ret; + + ret = vc4_hdmi_build_regset(vc4_hdmi, &vc4_hdmi->dvp_regset, VC5_DVP); + if (ret) + return ret; + + ret = vc4_hdmi_build_regset(vc4_hdmi, &vc4_hdmi->phy_regset, VC5_PHY); + if (ret) + return ret; + + ret = vc4_hdmi_build_regset(vc4_hdmi, &vc4_hdmi->ram_regset, VC5_RAM); + if (ret) + return ret; + + ret = vc4_hdmi_build_regset(vc4_hdmi, &vc4_hdmi->rm_regset, VC5_RM); + if (ret) + return ret; + return 0; }
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.h b/drivers/gpu/drm/vc4/vc4_hdmi.h index 1076faeab616..2b9f5ca15a40 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.h +++ b/drivers/gpu/drm/vc4/vc4_hdmi.h @@ -184,6 +184,14 @@ struct vc4_hdmi { struct debugfs_regset32 hdmi_regset; struct debugfs_regset32 hd_regset;
+ /* VC5 only */ + struct debugfs_regset32 cec_regset; + struct debugfs_regset32 csc_regset; + struct debugfs_regset32 dvp_regset; + struct debugfs_regset32 phy_regset; + struct debugfs_regset32 ram_regset; + struct debugfs_regset32 rm_regset; + /** * @hw_lock: Spinlock protecting device register access. */