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Message-ID: <40b09942.533e.19449c023a1.Coremail.andyshrk@163.com>
Date: Thu, 9 Jan 2025 14:28:36 +0800 (CST)
From: "Andy Yan" <andyshrk@....com>
To: "Damon Ding" <damon.ding@...k-chips.com>
Cc: heiko@...ech.de, robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
rfoss@...nel.org, vkoul@...nel.org, sebastian.reichel@...labora.com,
cristian.ciocaltea@...labora.com, l.stach@...gutronix.de,
dmitry.baryshkov@...aro.org, andy.yan@...k-chips.com,
hjc@...k-chips.com, algea.cao@...k-chips.com,
kever.yang@...k-chips.com, dri-devel@...ts.freedesktop.org,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-phy@...ts.infradead.org
Subject: Re:[PATCH v5 05/20] drm/rockchip: analogix_dp: Replace DRM_...()
functions with drm_...() or dev_...()
Hi Damon,
At 2025-01-09 11:27:10, "Damon Ding" <damon.ding@...k-chips.com> wrote:
>According to the comments in include/drm/drm_print.h, the DRM_...()
>functions are deprecated in favor of drm_...() or dev_...() functions.
>
>Use drm_err()/drm_dbg_core()/drm_dbg_kms() instead of
>DRM_DEV_ERROR()/DRM_ERROR()/DRM_DEV_DEBUG()/DRM_DEBUG_KMS() after
>rockchip_dp_bind() is called, and replace DRM_DEV_ERROR() with dev_err()
>before calling it.
>
>Signed-off-by: Damon Ding <damon.ding@...k-chips.com>
>---
> .../gpu/drm/rockchip/analogix_dp-rockchip.c | 29 ++++++++++---------
> 1 file changed, 15 insertions(+), 14 deletions(-)
>
>diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
>index 546d13f19f9b..8114c3238609 100644
>--- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
>+++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
>@@ -100,13 +100,13 @@ static int rockchip_dp_poweron(struct analogix_dp_plat_data *plat_data)
>
> ret = clk_prepare_enable(dp->pclk);
> if (ret < 0) {
>- DRM_DEV_ERROR(dp->dev, "failed to enable pclk %d\n", ret);
>+ drm_err(dp->drm_dev, "failed to enable pclk %d\n", ret);
You just need to pass dp here:
drm_err(dp, "failed to enable pclk %d\n", ret);
> return ret;
> }
>
> ret = rockchip_dp_pre_init(dp);
> if (ret < 0) {
>- DRM_DEV_ERROR(dp->dev, "failed to dp pre init %d\n", ret);
>+ drm_err(dp->drm_dev, "failed to dp pre init %d\n", ret);
> clk_disable_unprepare(dp->pclk);
> return ret;
> }
>@@ -126,12 +126,13 @@ static int rockchip_dp_powerdown(struct analogix_dp_plat_data *plat_data)
> static int rockchip_dp_get_modes(struct analogix_dp_plat_data *plat_data,
> struct drm_connector *connector)
> {
>+ struct rockchip_dp_device *dp = pdata_encoder_to_dp(plat_data);
> struct drm_display_info *di = &connector->display_info;
> /* VOP couldn't output YUV video format for eDP rightly */
> u32 mask = DRM_COLOR_FORMAT_YCBCR444 | DRM_COLOR_FORMAT_YCBCR422;
>
> if ((di->color_formats & mask)) {
>- DRM_DEBUG_KMS("Swapping display color format from YUV to RGB\n");
>+ drm_dbg_kms(dp->drm_dev, "Swapping display color format from YUV to RGB\n");
> di->color_formats &= ~mask;
> di->color_formats |= DRM_COLOR_FORMAT_RGB444;
> di->bpc = 8;
>@@ -201,17 +202,17 @@ static void rockchip_dp_drm_encoder_enable(struct drm_encoder *encoder,
> else
> val = dp->data->lcdsel_big;
>
>- DRM_DEV_DEBUG(dp->dev, "vop %s output to dp\n", (ret) ? "LIT" : "BIG");
>+ drm_dbg_core(dp->drm_dev, "vop %s output to dp\n", (ret) ? "LIT" : "BIG");
>
> ret = clk_prepare_enable(dp->grfclk);
> if (ret < 0) {
>- DRM_DEV_ERROR(dp->dev, "failed to enable grfclk %d\n", ret);
>+ drm_err(dp->drm_dev, "failed to enable grfclk %d\n", ret);
> return;
> }
>
> ret = regmap_write(dp->grf, dp->data->lcdsel_grf_reg, val);
> if (ret != 0)
>- DRM_DEV_ERROR(dp->dev, "Could not write to GRF: %d\n", ret);
>+ drm_err(dp->drm_dev, "Could not write to GRF: %d\n", ret);
>
> clk_disable_unprepare(dp->grfclk);
> }
>@@ -236,7 +237,7 @@ static void rockchip_dp_drm_encoder_disable(struct drm_encoder *encoder,
>
> ret = rockchip_drm_wait_vact_end(crtc, PSR_WAIT_LINE_FLAG_TIMEOUT_MS);
> if (ret)
>- DRM_DEV_ERROR(dp->dev, "line flag irq timed out\n");
>+ drm_err(dp->drm_dev, "line flag irq timed out\n");
> }
>
> static int
>@@ -277,7 +278,7 @@ static int rockchip_dp_of_probe(struct rockchip_dp_device *dp)
>
> dp->grf = syscon_regmap_lookup_by_phandle(np, "rockchip,grf");
> if (IS_ERR(dp->grf)) {
>- DRM_DEV_ERROR(dev, "failed to get rockchip,grf property\n");
>+ dev_err(dev, "failed to get rockchip,grf property\n");
> return PTR_ERR(dp->grf);
> }
>
>@@ -287,19 +288,19 @@ static int rockchip_dp_of_probe(struct rockchip_dp_device *dp)
> } else if (PTR_ERR(dp->grfclk) == -EPROBE_DEFER) {
> return -EPROBE_DEFER;
> } else if (IS_ERR(dp->grfclk)) {
>- DRM_DEV_ERROR(dev, "failed to get grf clock\n");
>+ dev_err(dev, "failed to get grf clock\n");
> return PTR_ERR(dp->grfclk);
> }
>
> dp->pclk = devm_clk_get(dev, "pclk");
> if (IS_ERR(dp->pclk)) {
>- DRM_DEV_ERROR(dev, "failed to get pclk property\n");
>+ dev_err(dev, "failed to get pclk property\n");
> return PTR_ERR(dp->pclk);
> }
>
> dp->rst = devm_reset_control_get(dev, "dp");
> if (IS_ERR(dp->rst)) {
>- DRM_DEV_ERROR(dev, "failed to get dp reset control\n");
>+ dev_err(dev, "failed to get dp reset control\n");
> return PTR_ERR(dp->rst);
> }
>
>@@ -315,12 +316,12 @@ static int rockchip_dp_drm_create_encoder(struct rockchip_dp_device *dp)
>
> encoder->possible_crtcs = drm_of_find_possible_crtcs(drm_dev,
> dev->of_node);
>- DRM_DEBUG_KMS("possible_crtcs = 0x%x\n", encoder->possible_crtcs);
>+ drm_dbg_kms(drm_dev, "possible_crtcs = 0x%x\n", encoder->possible_crtcs);
>
> ret = drm_simple_encoder_init(drm_dev, encoder,
> DRM_MODE_ENCODER_TMDS);
> if (ret) {
>- DRM_ERROR("failed to initialize encoder with drm\n");
>+ drm_err(drm_dev, "failed to initialize encoder with drm\n");
> return ret;
> }
>
>@@ -340,7 +341,7 @@ static int rockchip_dp_bind(struct device *dev, struct device *master,
>
> ret = rockchip_dp_drm_create_encoder(dp);
> if (ret) {
>- DRM_ERROR("failed to create drm encoder\n");
>+ drm_err(drm_dev, "failed to create drm encoder\n");
> return ret;
> }
>
>--
>2.34.1
>
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