linux-kernel - [PATCH 02/14] drm/msm/dp: drop msm_dp_panel_dump_regs() and msm_dp_catalog_dump

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Message-Id: <20241108-fd-dp-audio-fixup-v1-2-40c8eeb60cf5@linaro.org>
Date: Fri, 08 Nov 2024 02:21:33 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Rob Clark <robdclark@...il.com>, 
 Abhinav Kumar <quic_abhinavk@...cinc.com>, Sean Paul <sean@...rly.run>, 
 Marijn Suijten <marijn.suijten@...ainline.org>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Paloma Arellano <quic_parellan@...cinc.com>
Cc: Douglas Anderson <dianders@...omium.org>, 
 Stephen Boyd <swboyd@...omium.org>, linux-arm-msm@...r.kernel.org, 
 dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org, 
 linux-kernel@...r.kernel.org, 
 Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Subject: [PATCH 02/14] drm/msm/dp: drop msm_dp_panel_dump_regs() and
 msm_dp_catalog_dump_regs()

The msm_dp_panel_dump_regs() and msm_dp_catalog_dump_regs() are not
called anywhere. If there is a necessity to dump registers, the
snapshotting should be used instead. Drop these two functions.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
---
 drivers/gpu/drm/msm/dp/dp_catalog.c | 37 -------------------------------------
 drivers/gpu/drm/msm/dp/dp_catalog.h |  1 -
 drivers/gpu/drm/msm/dp/dp_panel.c   | 11 -----------
 drivers/gpu/drm/msm/dp/dp_panel.h   |  1 -
 4 files changed, 50 deletions(-)

diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.c b/drivers/gpu/drm/msm/dp/dp_catalog.c
index b4c8856fb25d01dd1b30c5ec33ce821aafa9551d..0357dec1acd5773f25707e7ebdfca4b1d2b1bb4e 100644
--- a/drivers/gpu/drm/msm/dp/dp_catalog.c
+++ b/drivers/gpu/drm/msm/dp/dp_catalog.c
@@ -276,43 +276,6 @@ int msm_dp_catalog_aux_wait_for_hpd_connect_state(struct msm_dp_catalog *msm_dp_
 				min(wait_us, 2000), wait_us);
 }
 
-static void dump_regs(void __iomem *base, int len)
-{
-	int i;
-	u32 x0, x4, x8, xc;
-	u32 addr_off = 0;
-
-	len = DIV_ROUND_UP(len, 16);
-	for (i = 0; i < len; i++) {
-		x0 = readl_relaxed(base + addr_off);
-		x4 = readl_relaxed(base + addr_off + 0x04);
-		x8 = readl_relaxed(base + addr_off + 0x08);
-		xc = readl_relaxed(base + addr_off + 0x0c);
-
-		pr_info("%08x: %08x %08x %08x %08x", addr_off, x0, x4, x8, xc);
-		addr_off += 16;
-	}
-}
-
-void msm_dp_catalog_dump_regs(struct msm_dp_catalog *msm_dp_catalog)
-{
-	struct msm_dp_catalog_private *catalog = container_of(msm_dp_catalog,
-		struct msm_dp_catalog_private, msm_dp_catalog);
-	struct dss_io_data *io = &catalog->io;
-
-	pr_info("AHB regs\n");
-	dump_regs(io->ahb.base, io->ahb.len);
-
-	pr_info("AUXCLK regs\n");
-	dump_regs(io->aux.base, io->aux.len);
-
-	pr_info("LCLK regs\n");
-	dump_regs(io->link.base, io->link.len);
-
-	pr_info("P0CLK regs\n");
-	dump_regs(io->p0.base, io->p0.len);
-}
-
 u32 msm_dp_catalog_aux_get_irq(struct msm_dp_catalog *msm_dp_catalog)
 {
 	struct msm_dp_catalog_private *catalog = container_of(msm_dp_catalog,
diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.h b/drivers/gpu/drm/msm/dp/dp_catalog.h
index e932b17eecbf514070cd8cd0b98ca0fefbe81ab7..62a401d8f75a6af06445a42af657d65e3fe542c5 100644
--- a/drivers/gpu/drm/msm/dp/dp_catalog.h
+++ b/drivers/gpu/drm/msm/dp/dp_catalog.h
@@ -104,7 +104,6 @@ int msm_dp_catalog_panel_timing_cfg(struct msm_dp_catalog *msm_dp_catalog, u32 t
 				u32 sync_start, u32 width_blanking, u32 msm_dp_active);
 void msm_dp_catalog_panel_enable_vsc_sdp(struct msm_dp_catalog *msm_dp_catalog, struct dp_sdp *vsc_sdp);
 void msm_dp_catalog_panel_disable_vsc_sdp(struct msm_dp_catalog *msm_dp_catalog);
-void msm_dp_catalog_dump_regs(struct msm_dp_catalog *msm_dp_catalog);
 void msm_dp_catalog_panel_tpg_enable(struct msm_dp_catalog *msm_dp_catalog,
 				struct drm_display_mode *drm_mode);
 void msm_dp_catalog_panel_tpg_disable(struct msm_dp_catalog *msm_dp_catalog);
diff --git a/drivers/gpu/drm/msm/dp/dp_panel.c b/drivers/gpu/drm/msm/dp/dp_panel.c
index 5d7eaa31bf3176566f40f01ff636bee64e81c64f..7d122496723a32fd591d094269397a9fdd51fe44 100644
--- a/drivers/gpu/drm/msm/dp/dp_panel.c
+++ b/drivers/gpu/drm/msm/dp/dp_panel.c
@@ -317,17 +317,6 @@ static int msm_dp_panel_setup_vsc_sdp_yuv_420(struct msm_dp_panel *msm_dp_panel)
 	return 0;
 }
 
-void msm_dp_panel_dump_regs(struct msm_dp_panel *msm_dp_panel)
-{
-	struct msm_dp_catalog *catalog;
-	struct msm_dp_panel_private *panel;
-
-	panel = container_of(msm_dp_panel, struct msm_dp_panel_private, msm_dp_panel);
-	catalog = panel->catalog;
-
-	msm_dp_catalog_dump_regs(catalog);
-}
-
 int msm_dp_panel_timing_cfg(struct msm_dp_panel *msm_dp_panel)
 {
 	u32 data, total_ver, total_hor;
diff --git a/drivers/gpu/drm/msm/dp/dp_panel.h b/drivers/gpu/drm/msm/dp/dp_panel.h
index 0e944db3adf2f187f313664fe80cf540ec7a19f2..47c1d349be470b60596b64a7bc8c7c39d2e8fdd1 100644
--- a/drivers/gpu/drm/msm/dp/dp_panel.h
+++ b/drivers/gpu/drm/msm/dp/dp_panel.h
@@ -55,7 +55,6 @@ struct msm_dp_panel {
 int msm_dp_panel_init_panel_info(struct msm_dp_panel *msm_dp_panel);
 int msm_dp_panel_deinit(struct msm_dp_panel *msm_dp_panel);
 int msm_dp_panel_timing_cfg(struct msm_dp_panel *msm_dp_panel);
-void msm_dp_panel_dump_regs(struct msm_dp_panel *msm_dp_panel);
 int msm_dp_panel_read_sink_caps(struct msm_dp_panel *msm_dp_panel,
 		struct drm_connector *connector);
 u32 msm_dp_panel_get_mode_bpp(struct msm_dp_panel *msm_dp_panel, u32 mode_max_bpp,

-- 
2.39.5