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Message-Id: <20241202-fd-dp-audio-fixup-v2-8-d9187ea96dad@linaro.org>
Date: Mon, 02 Dec 2024 12:06:38 +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 v2 08/14] drm/msm/dp: move/inline panel related functions
Move panel-related functions to dp_panel.c, following up the cleanup
done by the rest of the submodules.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
---
drivers/gpu/drm/msm/dp/dp_catalog.c | 192 ---------------------------------
drivers/gpu/drm/msm/dp/dp_catalog.h | 9 --
drivers/gpu/drm/msm/dp/dp_ctrl.c | 4 +-
drivers/gpu/drm/msm/dp/dp_panel.c | 206 ++++++++++++++++++++++++++++++++++--
drivers/gpu/drm/msm/dp/dp_panel.h | 3 +
5 files changed, 200 insertions(+), 214 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.c b/drivers/gpu/drm/msm/dp/dp_catalog.c
index 71a195a28e7bd5dcaac38adc93dda2d3189690c3..9c12484589dc38951a3f1cb4bb33eb9aa5822d87 100644
--- a/drivers/gpu/drm/msm/dp/dp_catalog.c
+++ b/drivers/gpu/drm/msm/dp/dp_catalog.c
@@ -21,8 +21,6 @@
#define DP_INTERRUPT_STATUS_ACK_SHIFT 1
#define DP_INTERRUPT_STATUS_MASK_SHIFT 2
-#define DP_INTF_CONFIG_DATABUS_WIDEN BIT(4)
-
#define DP_INTERRUPT_STATUS1 \
(DP_INTR_AUX_XFER_DONE| \
DP_INTR_WRONG_ADDR | DP_INTR_TIMEOUT | \
@@ -220,196 +218,6 @@ int msm_dp_catalog_ctrl_get_interrupt(struct msm_dp_catalog *msm_dp_catalog)
return intr;
}
-/* panel related catalog functions */
-int msm_dp_catalog_panel_timing_cfg(struct msm_dp_catalog *msm_dp_catalog, u32 total,
- u32 sync_start, u32 width_blanking, u32 msm_dp_active)
-{
- u32 reg;
-
- msm_dp_write_link(msm_dp_catalog, REG_DP_TOTAL_HOR_VER, total);
- msm_dp_write_link(msm_dp_catalog, REG_DP_START_HOR_VER_FROM_SYNC, sync_start);
- msm_dp_write_link(msm_dp_catalog, REG_DP_HSYNC_VSYNC_WIDTH_POLARITY, width_blanking);
- msm_dp_write_link(msm_dp_catalog, REG_DP_ACTIVE_HOR_VER, msm_dp_active);
-
- reg = msm_dp_read_p0(msm_dp_catalog, MMSS_DP_INTF_CONFIG);
-
- if (msm_dp_catalog->wide_bus_en)
- reg |= DP_INTF_CONFIG_DATABUS_WIDEN;
- else
- reg &= ~DP_INTF_CONFIG_DATABUS_WIDEN;
-
-
- DRM_DEBUG_DP("wide_bus_en=%d reg=%#x\n", msm_dp_catalog->wide_bus_en, reg);
-
- msm_dp_write_p0(msm_dp_catalog, MMSS_DP_INTF_CONFIG, reg);
- return 0;
-}
-
-static void msm_dp_catalog_panel_send_vsc_sdp(struct msm_dp_catalog *msm_dp_catalog, struct dp_sdp *vsc_sdp)
-{
- u32 header[2];
- u32 val;
- int i;
-
- msm_dp_utils_pack_sdp_header(&vsc_sdp->sdp_header, header);
-
- msm_dp_write_link(msm_dp_catalog, MMSS_DP_GENERIC0_0, header[0]);
- msm_dp_write_link(msm_dp_catalog, MMSS_DP_GENERIC0_1, header[1]);
-
- for (i = 0; i < sizeof(vsc_sdp->db); i += 4) {
- val = ((vsc_sdp->db[i]) | (vsc_sdp->db[i + 1] << 8) | (vsc_sdp->db[i + 2] << 16) |
- (vsc_sdp->db[i + 3] << 24));
- msm_dp_write_link(msm_dp_catalog, MMSS_DP_GENERIC0_2 + i, val);
- }
-}
-
-static void msm_dp_catalog_panel_update_sdp(struct msm_dp_catalog *msm_dp_catalog)
-{
- u32 hw_revision;
-
- hw_revision = msm_dp_catalog_hw_revision(msm_dp_catalog);
- if (hw_revision < DP_HW_VERSION_1_2 && hw_revision >= DP_HW_VERSION_1_0) {
- msm_dp_write_link(msm_dp_catalog, MMSS_DP_SDP_CFG3, 0x01);
- msm_dp_write_link(msm_dp_catalog, MMSS_DP_SDP_CFG3, 0x00);
- }
-}
-
-void msm_dp_catalog_panel_enable_vsc_sdp(struct msm_dp_catalog *msm_dp_catalog, struct dp_sdp *vsc_sdp)
-{
- struct msm_dp_catalog_private *catalog;
- u32 cfg, cfg2, misc;
-
- catalog = container_of(msm_dp_catalog, struct msm_dp_catalog_private, msm_dp_catalog);
-
- cfg = msm_dp_read_link(msm_dp_catalog, MMSS_DP_SDP_CFG);
- cfg2 = msm_dp_read_link(msm_dp_catalog, MMSS_DP_SDP_CFG2);
- misc = msm_dp_read_link(msm_dp_catalog, REG_DP_MISC1_MISC0);
-
- cfg |= GEN0_SDP_EN;
- msm_dp_write_link(msm_dp_catalog, MMSS_DP_SDP_CFG, cfg);
-
- cfg2 |= GENERIC0_SDPSIZE_VALID;
- msm_dp_write_link(msm_dp_catalog, MMSS_DP_SDP_CFG2, cfg2);
-
- msm_dp_catalog_panel_send_vsc_sdp(msm_dp_catalog, vsc_sdp);
-
- /* indicates presence of VSC (BIT(6) of MISC1) */
- misc |= DP_MISC1_VSC_SDP;
-
- drm_dbg_dp(catalog->drm_dev, "vsc sdp enable=1\n");
-
- pr_debug("misc settings = 0x%x\n", misc);
- msm_dp_write_link(msm_dp_catalog, REG_DP_MISC1_MISC0, misc);
-
- msm_dp_catalog_panel_update_sdp(msm_dp_catalog);
-}
-
-void msm_dp_catalog_panel_disable_vsc_sdp(struct msm_dp_catalog *msm_dp_catalog)
-{
- struct msm_dp_catalog_private *catalog;
- u32 cfg, cfg2, misc;
-
- catalog = container_of(msm_dp_catalog, struct msm_dp_catalog_private, msm_dp_catalog);
-
- cfg = msm_dp_read_link(msm_dp_catalog, MMSS_DP_SDP_CFG);
- cfg2 = msm_dp_read_link(msm_dp_catalog, MMSS_DP_SDP_CFG2);
- misc = msm_dp_read_link(msm_dp_catalog, REG_DP_MISC1_MISC0);
-
- cfg &= ~GEN0_SDP_EN;
- msm_dp_write_link(msm_dp_catalog, MMSS_DP_SDP_CFG, cfg);
-
- cfg2 &= ~GENERIC0_SDPSIZE_VALID;
- msm_dp_write_link(msm_dp_catalog, MMSS_DP_SDP_CFG2, cfg2);
-
- /* switch back to MSA */
- misc &= ~DP_MISC1_VSC_SDP;
-
- drm_dbg_dp(catalog->drm_dev, "vsc sdp enable=0\n");
-
- pr_debug("misc settings = 0x%x\n", misc);
- msm_dp_write_link(msm_dp_catalog, REG_DP_MISC1_MISC0, misc);
-
- msm_dp_catalog_panel_update_sdp(msm_dp_catalog);
-}
-
-void msm_dp_catalog_panel_tpg_enable(struct msm_dp_catalog *msm_dp_catalog,
- struct drm_display_mode *drm_mode)
-{
- struct msm_dp_catalog_private *catalog = container_of(msm_dp_catalog,
- struct msm_dp_catalog_private, msm_dp_catalog);
- u32 hsync_period, vsync_period;
- u32 display_v_start, display_v_end;
- u32 hsync_start_x, hsync_end_x;
- u32 v_sync_width;
- u32 hsync_ctl;
- u32 display_hctl;
-
- /* TPG config parameters*/
- hsync_period = drm_mode->htotal;
- vsync_period = drm_mode->vtotal;
-
- display_v_start = ((drm_mode->vtotal - drm_mode->vsync_start) *
- hsync_period);
- display_v_end = ((vsync_period - (drm_mode->vsync_start -
- drm_mode->vdisplay))
- * hsync_period) - 1;
-
- display_v_start += drm_mode->htotal - drm_mode->hsync_start;
- display_v_end -= (drm_mode->hsync_start - drm_mode->hdisplay);
-
- hsync_start_x = drm_mode->htotal - drm_mode->hsync_start;
- hsync_end_x = hsync_period - (drm_mode->hsync_start -
- drm_mode->hdisplay) - 1;
-
- v_sync_width = drm_mode->vsync_end - drm_mode->vsync_start;
-
- hsync_ctl = (hsync_period << 16) |
- (drm_mode->hsync_end - drm_mode->hsync_start);
- display_hctl = (hsync_end_x << 16) | hsync_start_x;
-
-
- msm_dp_write_p0(catalog, MMSS_DP_INTF_CONFIG, 0x0);
- msm_dp_write_p0(catalog, MMSS_DP_INTF_HSYNC_CTL, hsync_ctl);
- msm_dp_write_p0(catalog, MMSS_DP_INTF_VSYNC_PERIOD_F0, vsync_period *
- hsync_period);
- msm_dp_write_p0(catalog, MMSS_DP_INTF_VSYNC_PULSE_WIDTH_F0, v_sync_width *
- hsync_period);
- msm_dp_write_p0(catalog, MMSS_DP_INTF_VSYNC_PERIOD_F1, 0);
- msm_dp_write_p0(catalog, MMSS_DP_INTF_VSYNC_PULSE_WIDTH_F1, 0);
- msm_dp_write_p0(catalog, MMSS_DP_INTF_DISPLAY_HCTL, display_hctl);
- msm_dp_write_p0(catalog, MMSS_DP_INTF_ACTIVE_HCTL, 0);
- msm_dp_write_p0(catalog, MMSS_INTF_DISPLAY_V_START_F0, display_v_start);
- msm_dp_write_p0(catalog, MMSS_DP_INTF_DISPLAY_V_END_F0, display_v_end);
- msm_dp_write_p0(catalog, MMSS_INTF_DISPLAY_V_START_F1, 0);
- msm_dp_write_p0(catalog, MMSS_DP_INTF_DISPLAY_V_END_F1, 0);
- msm_dp_write_p0(catalog, MMSS_DP_INTF_ACTIVE_V_START_F0, 0);
- msm_dp_write_p0(catalog, MMSS_DP_INTF_ACTIVE_V_END_F0, 0);
- msm_dp_write_p0(catalog, MMSS_DP_INTF_ACTIVE_V_START_F1, 0);
- msm_dp_write_p0(catalog, MMSS_DP_INTF_ACTIVE_V_END_F1, 0);
- msm_dp_write_p0(catalog, MMSS_DP_INTF_POLARITY_CTL, 0);
-
- msm_dp_write_p0(catalog, MMSS_DP_TPG_MAIN_CONTROL,
- DP_TPG_CHECKERED_RECT_PATTERN);
- msm_dp_write_p0(catalog, MMSS_DP_TPG_VIDEO_CONFIG,
- DP_TPG_VIDEO_CONFIG_BPP_8BIT |
- DP_TPG_VIDEO_CONFIG_RGB);
- msm_dp_write_p0(catalog, MMSS_DP_BIST_ENABLE,
- DP_BIST_ENABLE_DPBIST_EN);
- msm_dp_write_p0(catalog, MMSS_DP_TIMING_ENGINE_EN,
- DP_TIMING_ENGINE_EN_EN);
- drm_dbg_dp(catalog->drm_dev, "%s: enabled tpg\n", __func__);
-}
-
-void msm_dp_catalog_panel_tpg_disable(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);
-
- msm_dp_write_p0(catalog, MMSS_DP_TPG_MAIN_CONTROL, 0x0);
- msm_dp_write_p0(catalog, MMSS_DP_BIST_ENABLE, 0x0);
- msm_dp_write_p0(catalog, MMSS_DP_TIMING_ENGINE_EN, 0x0);
-}
-
static void __iomem *msm_dp_ioremap(struct platform_device *pdev, int idx, size_t *len)
{
struct resource *res;
diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.h b/drivers/gpu/drm/msm/dp/dp_catalog.h
index a95ea7a8ca6a146dd46e637585a02738cf6d4997..8b63f53e960092666f08b95f556aefe210f4a1e0 100644
--- a/drivers/gpu/drm/msm/dp/dp_catalog.h
+++ b/drivers/gpu/drm/msm/dp/dp_catalog.h
@@ -148,15 +148,6 @@ int msm_dp_catalog_ctrl_get_interrupt(struct msm_dp_catalog *msm_dp_catalog);
void msm_dp_catalog_ctrl_config_psr_interrupt(struct msm_dp_catalog *msm_dp_catalog);
u32 msm_dp_catalog_ctrl_read_psr_interrupt_status(struct msm_dp_catalog *msm_dp_catalog);
-/* DP Panel APIs */
-int msm_dp_catalog_panel_timing_cfg(struct msm_dp_catalog *msm_dp_catalog, u32 total,
- 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_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);
-
struct msm_dp_catalog *msm_dp_catalog_get(struct device *dev);
/* DP Audio APIs */
diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c
index 6ca2e055717b55c9eb064887948cf095fbfc1c40..cde667bf8eeec95035b2feb3661686c99acf5b7d 100644
--- a/drivers/gpu/drm/msm/dp/dp_ctrl.c
+++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c
@@ -2395,7 +2395,7 @@ void msm_dp_ctrl_off_link_stream(struct msm_dp_ctrl *msm_dp_ctrl)
ctrl = container_of(msm_dp_ctrl, struct msm_dp_ctrl_private, msm_dp_ctrl);
phy = ctrl->phy;
- msm_dp_catalog_panel_disable_vsc_sdp(ctrl->catalog);
+ msm_dp_panel_disable_vsc_sdp(ctrl->panel);
/* set dongle to D3 (power off) mode */
msm_dp_link_psm_config(ctrl->link, &ctrl->panel->link_info, true);
@@ -2449,7 +2449,7 @@ void msm_dp_ctrl_off(struct msm_dp_ctrl *msm_dp_ctrl)
ctrl = container_of(msm_dp_ctrl, struct msm_dp_ctrl_private, msm_dp_ctrl);
phy = ctrl->phy;
- msm_dp_catalog_panel_disable_vsc_sdp(ctrl->catalog);
+ msm_dp_panel_disable_vsc_sdp(ctrl->panel);
msm_dp_ctrl_mainlink_disable(ctrl);
diff --git a/drivers/gpu/drm/msm/dp/dp_panel.c b/drivers/gpu/drm/msm/dp/dp_panel.c
index 7d122496723a32fd591d094269397a9fdd51fe44..cd91de21c8e658570b8d43251ef815981f801ae4 100644
--- a/drivers/gpu/drm/msm/dp/dp_panel.c
+++ b/drivers/gpu/drm/msm/dp/dp_panel.c
@@ -4,6 +4,7 @@
*/
#include "dp_panel.h"
+#include "dp_reg.h"
#include "dp_utils.h"
#include <drm/drm_connector.h>
@@ -11,6 +12,8 @@
#include <drm/drm_of.h>
#include <drm/drm_print.h>
+#define DP_INTF_CONFIG_DATABUS_WIDEN BIT(4)
+
#define DP_MAX_NUM_DP_LANES 4
#define DP_LINK_RATE_HBR2 540000 /* kbytes */
@@ -242,9 +245,92 @@ void msm_dp_panel_handle_sink_request(struct msm_dp_panel *msm_dp_panel)
}
}
-void msm_dp_panel_tpg_config(struct msm_dp_panel *msm_dp_panel, bool enable)
+static void msm_dp_panel_tpg_enable(struct msm_dp_panel *msm_dp_panel,
+ struct drm_display_mode *drm_mode)
{
+ struct msm_dp_panel_private *panel;
struct msm_dp_catalog *catalog;
+ u32 hsync_period, vsync_period;
+ u32 display_v_start, display_v_end;
+ u32 hsync_start_x, hsync_end_x;
+ u32 v_sync_width;
+ u32 hsync_ctl;
+ u32 display_hctl;
+
+ panel = container_of(msm_dp_panel, struct msm_dp_panel_private, msm_dp_panel);
+ catalog = panel->catalog;
+
+ /* TPG config parameters*/
+ hsync_period = drm_mode->htotal;
+ vsync_period = drm_mode->vtotal;
+
+ display_v_start = ((drm_mode->vtotal - drm_mode->vsync_start) *
+ hsync_period);
+ display_v_end = ((vsync_period - (drm_mode->vsync_start -
+ drm_mode->vdisplay))
+ * hsync_period) - 1;
+
+ display_v_start += drm_mode->htotal - drm_mode->hsync_start;
+ display_v_end -= (drm_mode->hsync_start - drm_mode->hdisplay);
+
+ hsync_start_x = drm_mode->htotal - drm_mode->hsync_start;
+ hsync_end_x = hsync_period - (drm_mode->hsync_start -
+ drm_mode->hdisplay) - 1;
+
+ v_sync_width = drm_mode->vsync_end - drm_mode->vsync_start;
+
+ hsync_ctl = (hsync_period << 16) |
+ (drm_mode->hsync_end - drm_mode->hsync_start);
+ display_hctl = (hsync_end_x << 16) | hsync_start_x;
+
+
+ msm_dp_write_p0(catalog, MMSS_DP_INTF_CONFIG, 0x0);
+ msm_dp_write_p0(catalog, MMSS_DP_INTF_HSYNC_CTL, hsync_ctl);
+ msm_dp_write_p0(catalog, MMSS_DP_INTF_VSYNC_PERIOD_F0, vsync_period *
+ hsync_period);
+ msm_dp_write_p0(catalog, MMSS_DP_INTF_VSYNC_PULSE_WIDTH_F0, v_sync_width *
+ hsync_period);
+ msm_dp_write_p0(catalog, MMSS_DP_INTF_VSYNC_PERIOD_F1, 0);
+ msm_dp_write_p0(catalog, MMSS_DP_INTF_VSYNC_PULSE_WIDTH_F1, 0);
+ msm_dp_write_p0(catalog, MMSS_DP_INTF_DISPLAY_HCTL, display_hctl);
+ msm_dp_write_p0(catalog, MMSS_DP_INTF_ACTIVE_HCTL, 0);
+ msm_dp_write_p0(catalog, MMSS_INTF_DISPLAY_V_START_F0, display_v_start);
+ msm_dp_write_p0(catalog, MMSS_DP_INTF_DISPLAY_V_END_F0, display_v_end);
+ msm_dp_write_p0(catalog, MMSS_INTF_DISPLAY_V_START_F1, 0);
+ msm_dp_write_p0(catalog, MMSS_DP_INTF_DISPLAY_V_END_F1, 0);
+ msm_dp_write_p0(catalog, MMSS_DP_INTF_ACTIVE_V_START_F0, 0);
+ msm_dp_write_p0(catalog, MMSS_DP_INTF_ACTIVE_V_END_F0, 0);
+ msm_dp_write_p0(catalog, MMSS_DP_INTF_ACTIVE_V_START_F1, 0);
+ msm_dp_write_p0(catalog, MMSS_DP_INTF_ACTIVE_V_END_F1, 0);
+ msm_dp_write_p0(catalog, MMSS_DP_INTF_POLARITY_CTL, 0);
+
+ msm_dp_write_p0(catalog, MMSS_DP_TPG_MAIN_CONTROL,
+ DP_TPG_CHECKERED_RECT_PATTERN);
+ msm_dp_write_p0(catalog, MMSS_DP_TPG_VIDEO_CONFIG,
+ DP_TPG_VIDEO_CONFIG_BPP_8BIT |
+ DP_TPG_VIDEO_CONFIG_RGB);
+ msm_dp_write_p0(catalog, MMSS_DP_BIST_ENABLE,
+ DP_BIST_ENABLE_DPBIST_EN);
+ msm_dp_write_p0(catalog, MMSS_DP_TIMING_ENGINE_EN,
+ DP_TIMING_ENGINE_EN_EN);
+ drm_dbg_dp(panel->drm_dev, "%s: enabled tpg\n", __func__);
+}
+
+static void msm_dp_panel_tpg_disable(struct msm_dp_panel *msm_dp_panel)
+{
+ struct msm_dp_panel_private *panel;
+ struct msm_dp_catalog *catalog;
+
+ panel = container_of(msm_dp_panel, struct msm_dp_panel_private, msm_dp_panel);
+ catalog = panel->catalog;
+
+ msm_dp_write_p0(catalog, MMSS_DP_TPG_MAIN_CONTROL, 0x0);
+ msm_dp_write_p0(catalog, MMSS_DP_BIST_ENABLE, 0x0);
+ msm_dp_write_p0(catalog, MMSS_DP_TIMING_ENGINE_EN, 0x0);
+}
+
+void msm_dp_panel_tpg_config(struct msm_dp_panel *msm_dp_panel, bool enable)
+{
struct msm_dp_panel_private *panel;
if (!msm_dp_panel) {
@@ -253,7 +339,6 @@ void msm_dp_panel_tpg_config(struct msm_dp_panel *msm_dp_panel, bool enable)
}
panel = container_of(msm_dp_panel, struct msm_dp_panel_private, msm_dp_panel);
- catalog = panel->catalog;
if (!panel->panel_on) {
drm_dbg_dp(panel->drm_dev,
@@ -262,18 +347,105 @@ void msm_dp_panel_tpg_config(struct msm_dp_panel *msm_dp_panel, bool enable)
}
if (!enable) {
- msm_dp_catalog_panel_tpg_disable(catalog);
+ msm_dp_panel_tpg_disable(msm_dp_panel);
return;
}
- drm_dbg_dp(panel->drm_dev, "calling catalog tpg_enable\n");
- msm_dp_catalog_panel_tpg_enable(catalog, &panel->msm_dp_panel.msm_dp_mode.drm_mode);
+ drm_dbg_dp(panel->drm_dev, "calling panel's tpg_enable\n");
+ msm_dp_panel_tpg_enable(msm_dp_panel, &panel->msm_dp_panel.msm_dp_mode.drm_mode);
+}
+
+static void msm_dp_panel_send_vsc_sdp(struct msm_dp_panel_private *panel, struct dp_sdp *vsc_sdp)
+{
+ struct msm_dp_catalog *msm_dp_catalog = panel->catalog;
+ u32 header[2];
+ u32 val;
+ int i;
+
+ msm_dp_utils_pack_sdp_header(&vsc_sdp->sdp_header, header);
+
+ msm_dp_write_link(msm_dp_catalog, MMSS_DP_GENERIC0_0, header[0]);
+ msm_dp_write_link(msm_dp_catalog, MMSS_DP_GENERIC0_1, header[1]);
+
+ for (i = 0; i < sizeof(vsc_sdp->db); i += 4) {
+ val = ((vsc_sdp->db[i]) | (vsc_sdp->db[i + 1] << 8) | (vsc_sdp->db[i + 2] << 16) |
+ (vsc_sdp->db[i + 3] << 24));
+ msm_dp_write_link(msm_dp_catalog, MMSS_DP_GENERIC0_2 + i, val);
+ }
+}
+
+static void msm_dp_panel_update_sdp(struct msm_dp_panel_private *panel)
+{
+ u32 hw_revision;
+
+ hw_revision = msm_dp_catalog_hw_revision(panel->catalog);
+ if (hw_revision >= DP_HW_VERSION_1_0 &&
+ hw_revision < DP_HW_VERSION_1_2) {
+ msm_dp_write_link(panel->catalog, MMSS_DP_SDP_CFG3, UPDATE_SDP);
+ msm_dp_write_link(panel->catalog, MMSS_DP_SDP_CFG3, 0x0);
+ }
+}
+
+void msm_dp_panel_enable_vsc_sdp(struct msm_dp_panel *msm_dp_panel, struct dp_sdp *vsc_sdp)
+{
+ struct msm_dp_panel_private *panel =
+ container_of(msm_dp_panel, struct msm_dp_panel_private, msm_dp_panel);
+ struct msm_dp_catalog *msm_dp_catalog = panel->catalog;
+ u32 cfg, cfg2, misc;
+
+ cfg = msm_dp_read_link(msm_dp_catalog, MMSS_DP_SDP_CFG);
+ cfg2 = msm_dp_read_link(msm_dp_catalog, MMSS_DP_SDP_CFG2);
+ misc = msm_dp_read_link(msm_dp_catalog, REG_DP_MISC1_MISC0);
+
+ cfg |= GEN0_SDP_EN;
+ msm_dp_write_link(msm_dp_catalog, MMSS_DP_SDP_CFG, cfg);
+
+ cfg2 |= GENERIC0_SDPSIZE_VALID;
+ msm_dp_write_link(msm_dp_catalog, MMSS_DP_SDP_CFG2, cfg2);
+
+ msm_dp_panel_send_vsc_sdp(panel, vsc_sdp);
+
+ /* indicates presence of VSC (BIT(6) of MISC1) */
+ misc |= DP_MISC1_VSC_SDP;
+
+ drm_dbg_dp(panel->drm_dev, "vsc sdp enable=1\n");
+
+ pr_debug("misc settings = 0x%x\n", misc);
+ msm_dp_write_link(msm_dp_catalog, REG_DP_MISC1_MISC0, misc);
+
+ msm_dp_panel_update_sdp(panel);
+}
+
+void msm_dp_panel_disable_vsc_sdp(struct msm_dp_panel *msm_dp_panel)
+{
+ struct msm_dp_panel_private *panel =
+ container_of(msm_dp_panel, struct msm_dp_panel_private, msm_dp_panel);
+ struct msm_dp_catalog *msm_dp_catalog = panel->catalog;
+ u32 cfg, cfg2, misc;
+
+ cfg = msm_dp_read_link(msm_dp_catalog, MMSS_DP_SDP_CFG);
+ cfg2 = msm_dp_read_link(msm_dp_catalog, MMSS_DP_SDP_CFG2);
+ misc = msm_dp_read_link(msm_dp_catalog, REG_DP_MISC1_MISC0);
+
+ cfg &= ~GEN0_SDP_EN;
+ msm_dp_write_link(msm_dp_catalog, MMSS_DP_SDP_CFG, cfg);
+
+ cfg2 &= ~GENERIC0_SDPSIZE_VALID;
+ msm_dp_write_link(msm_dp_catalog, MMSS_DP_SDP_CFG2, cfg2);
+
+ /* switch back to MSA */
+ misc &= ~DP_MISC1_VSC_SDP;
+
+ drm_dbg_dp(panel->drm_dev, "vsc sdp enable=0\n");
+
+ pr_debug("misc settings = 0x%x\n", misc);
+ msm_dp_write_link(msm_dp_catalog, REG_DP_MISC1_MISC0, misc);
+
+ msm_dp_panel_update_sdp(panel);
}
static int msm_dp_panel_setup_vsc_sdp_yuv_420(struct msm_dp_panel *msm_dp_panel)
{
- struct msm_dp_catalog *catalog;
- struct msm_dp_panel_private *panel;
struct msm_dp_display_mode *msm_dp_mode;
struct drm_dp_vsc_sdp vsc_sdp_data;
struct dp_sdp vsc_sdp;
@@ -284,8 +456,6 @@ static int msm_dp_panel_setup_vsc_sdp_yuv_420(struct msm_dp_panel *msm_dp_panel)
return -EINVAL;
}
- panel = container_of(msm_dp_panel, struct msm_dp_panel_private, msm_dp_panel);
- catalog = panel->catalog;
msm_dp_mode = &msm_dp_panel->msm_dp_mode;
memset(&vsc_sdp_data, 0, sizeof(vsc_sdp_data));
@@ -312,7 +482,7 @@ static int msm_dp_panel_setup_vsc_sdp_yuv_420(struct msm_dp_panel *msm_dp_panel)
return len;
}
- msm_dp_catalog_panel_enable_vsc_sdp(catalog, &vsc_sdp);
+ msm_dp_panel_enable_vsc_sdp(msm_dp_panel, &vsc_sdp);
return 0;
}
@@ -327,6 +497,7 @@ int msm_dp_panel_timing_cfg(struct msm_dp_panel *msm_dp_panel)
u32 sync_start;
u32 msm_dp_active;
u32 total;
+ u32 reg;
panel = container_of(msm_dp_panel, struct msm_dp_panel_private, msm_dp_panel);
catalog = panel->catalog;
@@ -372,7 +543,20 @@ int msm_dp_panel_timing_cfg(struct msm_dp_panel *msm_dp_panel)
msm_dp_active = data;
- msm_dp_catalog_panel_timing_cfg(catalog, total, sync_start, width_blanking, msm_dp_active);
+ msm_dp_write_link(catalog, REG_DP_TOTAL_HOR_VER, total);
+ msm_dp_write_link(catalog, REG_DP_START_HOR_VER_FROM_SYNC, sync_start);
+ msm_dp_write_link(catalog, REG_DP_HSYNC_VSYNC_WIDTH_POLARITY, width_blanking);
+ msm_dp_write_link(catalog, REG_DP_ACTIVE_HOR_VER, msm_dp_active);
+
+ reg = msm_dp_read_p0(catalog, MMSS_DP_INTF_CONFIG);
+ if (catalog->wide_bus_en)
+ reg |= DP_INTF_CONFIG_DATABUS_WIDEN;
+ else
+ reg &= ~DP_INTF_CONFIG_DATABUS_WIDEN;
+
+ drm_dbg_dp(panel->drm_dev, "wide_bus_en=%d reg=%#x\n", catalog->wide_bus_en, reg);
+
+ msm_dp_write_p0(catalog, MMSS_DP_INTF_CONFIG, reg);
if (msm_dp_panel->msm_dp_mode.out_fmt_is_yuv_420)
msm_dp_panel_setup_vsc_sdp_yuv_420(msm_dp_panel);
diff --git a/drivers/gpu/drm/msm/dp/dp_panel.h b/drivers/gpu/drm/msm/dp/dp_panel.h
index 47c1d349be470b60596b64a7bc8c7c39d2e8fdd1..f305b1151118b53762368905b70d951a366ba1a8 100644
--- a/drivers/gpu/drm/msm/dp/dp_panel.h
+++ b/drivers/gpu/drm/msm/dp/dp_panel.h
@@ -64,6 +64,9 @@ int msm_dp_panel_get_modes(struct msm_dp_panel *msm_dp_panel,
void msm_dp_panel_handle_sink_request(struct msm_dp_panel *msm_dp_panel);
void msm_dp_panel_tpg_config(struct msm_dp_panel *msm_dp_panel, bool enable);
+void msm_dp_panel_enable_vsc_sdp(struct msm_dp_panel *msm_dp_panel, struct dp_sdp *vsc_sdp);
+void msm_dp_panel_disable_vsc_sdp(struct msm_dp_panel *msm_dp_panel);
+
/**
* is_link_rate_valid() - validates the link rate
* @lane_rate: link rate requested by the sink
--
2.39.5
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