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authorGravatar Linus Torvalds <torvalds@linux-foundation.org> 2023-11-01 06:28:35 -1000
committerGravatar Linus Torvalds <torvalds@linux-foundation.org> 2023-11-01 06:28:35 -1000
commit7d461b291e65938f15f56fe58da2303b07578a76 (patch)
tree015dd7c2f1743dd70be52787dd9aff33822bc938 /drivers/gpu/drm/msm/dsi
parentMerge tag 'devicetree-for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/g... (diff)
parentMerge tag 'amd-drm-next-6.7-2023-10-27' of https://gitlab.freedesktop.org/agd... (diff)
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Merge tag 'drm-next-2023-10-31-1' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie: "Highlights: - AMD adds some more upcoming HW platforms - Intel made Meteorlake stable and started adding Lunarlake - nouveau has a bunch of display rework in prepartion for the NVIDIA GSP firmware support - msm adds a7xx support - habanalabs has finished migration to accel subsystem Detail summary: kernel: - add initial vmemdup-user-array core: - fix platform remove() to return void - drm_file owner updated to reflect owner - move size calcs to drm buddy allocator - let GPUVM build as a module - allow variable number of run-queues in scheduler edid: - handle bad h/v sync_end in EDIDs panfrost: - add Boris as maintainer fbdev: - use fb_ops helpers more - only allow logo use from fbcon - rename fb_pgproto to pgprot_framebuffer - add HPD state to drm_connector_oob_hotplug_event - convert to fbdev i/o mem helpers i915: - Enable meteorlake by default - Early Xe2 LPD/Lunarlake display enablement - Rework subplatforms into IP version checks - GuC based TLB invalidation for Meteorlake - Display rework for future Xe driver integration - LNL FBC features - LNL display feature capability reads - update recommended fw versions for DG2+ - drop fastboot module parameter - added deviceid for Arrowlake-S - drop preproduction workarounds - don't disable preemption for resets - cleanup inlines in headers - PXP firmware loading fix - Fix sg list lengths - DSC PPS state readout/verification - Add more RPL P/U PCI IDs - Add new DG2-G12 stepping - DP enhanced framing support to state checker - Improve shared link bandwidth management - stop using GEM macros in display code - refactor related code into display code - locally enable W=1 warnings - remove PSR watchdog timers on LNL amdgpu: - RAS/FRU EEPROM updatse - IP discovery updatses - GC 11.5 support - DCN 3.5 support - VPE 6.1 support - NBIO 7.11 support - DML2 support - lots of IP updates - use flexible arrays for bo list handling - W=1 fixes - Enable seamless boot in more cases - Enable context type property for HDMI - Rework GPUVM TLB flushing - VCN IB start/size alignment fixes amdkfd: - GC 10/11 fixes - GC 11.5 support - use partial migration in GPU faults radeon: - W=1 Fixes - fix some possible buffer overflow/NULL derefs nouveau: - update uapi for NO_PREFETCH - scheduler/fence fixes - rework suspend/resume for GSP-RM - rework display in preparation for GSP-RM habanalabs: - uapi: expose tsc clock - uapi: block access to eventfd through control device - uapi: force dma-buf export to PAGE_SIZE alignments - complete move to accel subsystem - move firmware interface include files - perform hard reset on PCIe AXI drain event - optimise user interrupt handling msm: - DP: use existing helpers for DPCD - DPU: interrupts reworked - gpu: a7xx (a730/a740) support - decouple msm_drv from kms for headless devices mediatek: - MT8188 dsi/dp/edp support - DDP GAMMA - 12 bit LUT support - connector dynamic selection capability rockchip: - rv1126 mipi-dsi/vop support - add planar formats ast: - rename constants panels: - Mitsubishi AA084XE01 - JDI LPM102A188A - LTK050H3148W-CTA6 ivpu: - power management fixes qaic: - add detach slice bo api komeda: - add NV12 writeback tegra: - support NVSYNC/NHSYNC - host1x suspend fixes ili9882t: - separate into own driver" * tag 'drm-next-2023-10-31-1' of git://anongit.freedesktop.org/drm/drm: (1803 commits) drm/amdgpu: Remove unused variables from amdgpu_show_fdinfo drm/amdgpu: Remove duplicate fdinfo fields drm/amd/amdgpu: avoid to disable gfxhub interrupt when driver is unloaded drm/amdgpu: Add EXT_COHERENT support for APU and NUMA systems drm/amdgpu: Retrieve CE count from ce_count_lo_chip in EccInfo table drm/amdgpu: Identify data parity error corrected in replay mode drm/amdgpu: Fix typo in IP discovery parsing drm/amd/display: fix S/G display enablement drm/amdxcp: fix amdxcp unloads incompletely drm/amd/amdgpu: fix the GPU power print error in pm info drm/amdgpu: Use pcie domain of xcc acpi objects drm/amd: check num of link levels when update pcie param drm/amdgpu: Add a read to GFX v9.4.3 ring test drm/amd/pm: call smu_cmn_get_smc_version in is_mode1_reset_supported. drm/amdgpu: get RAS poison status from DF v4_6_2 drm/amdgpu: Use discovery table's subrevision drm/amd/display: 3.2.256 drm/amd/display: add interface to query SubVP status drm/amd/display: Read before writing Backlight Mode Set Register drm/amd/display: Disable SYMCLK32_SE RCO on DCN314 ...
Diffstat (limited to 'drivers/gpu/drm/msm/dsi')
-rw-r--r--drivers/gpu/drm/msm/dsi/dsi.c40
-rw-r--r--drivers/gpu/drm/msm/dsi/dsi.h5
-rw-r--r--drivers/gpu/drm/msm/dsi/dsi.xml.h1
-rw-r--r--drivers/gpu/drm/msm/dsi/dsi_host.c47
-rw-r--r--drivers/gpu/drm/msm/dsi/dsi_manager.c30
5 files changed, 63 insertions, 60 deletions
diff --git a/drivers/gpu/drm/msm/dsi/dsi.c b/drivers/gpu/drm/msm/dsi/dsi.c
index baab79ab6e74..c6bd7bf15605 100644
--- a/drivers/gpu/drm/msm/dsi/dsi.c
+++ b/drivers/gpu/drm/msm/dsi/dsi.c
@@ -17,6 +17,11 @@ struct drm_dsc_config *msm_dsi_get_dsc_config(struct msm_dsi *msm_dsi)
return msm_dsi_host_get_dsc_config(msm_dsi->host);
}
+bool msm_dsi_wide_bus_enabled(struct msm_dsi *msm_dsi)
+{
+ return msm_dsi_host_is_wide_bus_enabled(msm_dsi->host);
+}
+
static int dsi_get_phy(struct msm_dsi *msm_dsi)
{
struct platform_device *pdev = msm_dsi->pdev;
@@ -126,6 +131,7 @@ static void dsi_unbind(struct device *dev, struct device *master,
struct msm_drm_private *priv = dev_get_drvdata(master);
struct msm_dsi *msm_dsi = dev_get_drvdata(dev);
+ msm_dsi_tx_buf_free(msm_dsi->host);
priv->dsi[msm_dsi->id] = NULL;
}
@@ -161,14 +167,12 @@ static int dsi_dev_probe(struct platform_device *pdev)
return 0;
}
-static int dsi_dev_remove(struct platform_device *pdev)
+static void dsi_dev_remove(struct platform_device *pdev)
{
struct msm_dsi *msm_dsi = platform_get_drvdata(pdev);
DBG("");
dsi_destroy(msm_dsi);
-
- return 0;
}
static const struct of_device_id dt_match[] = {
@@ -187,7 +191,7 @@ static const struct dev_pm_ops dsi_pm_ops = {
static struct platform_driver dsi_driver = {
.probe = dsi_dev_probe,
- .remove = dsi_dev_remove,
+ .remove_new = dsi_dev_remove,
.driver = {
.name = "msm_dsi",
.of_match_table = dt_match,
@@ -212,20 +216,14 @@ void __exit msm_dsi_unregister(void)
int msm_dsi_modeset_init(struct msm_dsi *msm_dsi, struct drm_device *dev,
struct drm_encoder *encoder)
{
- struct msm_drm_private *priv = dev->dev_private;
int ret;
- if (priv->num_bridges == ARRAY_SIZE(priv->bridges)) {
- DRM_DEV_ERROR(dev->dev, "too many bridges\n");
- return -ENOSPC;
- }
-
msm_dsi->dev = dev;
ret = msm_dsi_host_modeset_init(msm_dsi->host, dev);
if (ret) {
DRM_DEV_ERROR(dev->dev, "failed to modeset init host: %d\n", ret);
- goto fail;
+ return ret;
}
if (msm_dsi_is_bonded_dsi(msm_dsi) &&
@@ -239,32 +237,20 @@ int msm_dsi_modeset_init(struct msm_dsi *msm_dsi, struct drm_device *dev,
msm_dsi->encoder = encoder;
- msm_dsi->bridge = msm_dsi_manager_bridge_init(msm_dsi->id);
- if (IS_ERR(msm_dsi->bridge)) {
- ret = PTR_ERR(msm_dsi->bridge);
+ ret = msm_dsi_manager_bridge_init(msm_dsi);
+ if (ret) {
DRM_DEV_ERROR(dev->dev, "failed to create dsi bridge: %d\n", ret);
- msm_dsi->bridge = NULL;
- goto fail;
+ return ret;
}
ret = msm_dsi_manager_ext_bridge_init(msm_dsi->id);
if (ret) {
DRM_DEV_ERROR(dev->dev,
"failed to create dsi connector: %d\n", ret);
- goto fail;
+ return ret;
}
- priv->bridges[priv->num_bridges++] = msm_dsi->bridge;
-
return 0;
-fail:
- /* bridge/connector are normally destroyed by drm: */
- if (msm_dsi->bridge) {
- msm_dsi_manager_bridge_destroy(msm_dsi->bridge);
- msm_dsi->bridge = NULL;
- }
-
- return ret;
}
void msm_dsi_snapshot(struct msm_disp_state *disp_state, struct msm_dsi *msm_dsi)
diff --git a/drivers/gpu/drm/msm/dsi/dsi.h b/drivers/gpu/drm/msm/dsi/dsi.h
index bd3763a5d723..28379b1af63f 100644
--- a/drivers/gpu/drm/msm/dsi/dsi.h
+++ b/drivers/gpu/drm/msm/dsi/dsi.h
@@ -56,8 +56,7 @@ struct msm_dsi {
};
/* dsi manager */
-struct drm_bridge *msm_dsi_manager_bridge_init(u8 id);
-void msm_dsi_manager_bridge_destroy(struct drm_bridge *bridge);
+int msm_dsi_manager_bridge_init(struct msm_dsi *msm_dsi);
int msm_dsi_manager_ext_bridge_init(u8 id);
int msm_dsi_manager_cmd_xfer(int id, const struct mipi_dsi_msg *msg);
bool msm_dsi_manager_cmd_xfer_trigger(int id, u32 dma_base, u32 len);
@@ -125,6 +124,7 @@ int dsi_tx_buf_alloc_v2(struct msm_dsi_host *msm_host, int size);
void *dsi_tx_buf_get_6g(struct msm_dsi_host *msm_host);
void *dsi_tx_buf_get_v2(struct msm_dsi_host *msm_host);
void dsi_tx_buf_put_6g(struct msm_dsi_host *msm_host);
+void msm_dsi_tx_buf_free(struct mipi_dsi_host *mipi_host);
int dsi_dma_base_get_6g(struct msm_dsi_host *msm_host, uint64_t *iova);
int dsi_dma_base_get_v2(struct msm_dsi_host *msm_host, uint64_t *iova);
int dsi_clk_init_v2(struct msm_dsi_host *msm_host);
@@ -134,6 +134,7 @@ int dsi_calc_clk_rate_6g(struct msm_dsi_host *msm_host, bool is_bonded_dsi);
void msm_dsi_host_snapshot(struct msm_disp_state *disp_state, struct mipi_dsi_host *host);
void msm_dsi_host_test_pattern_en(struct mipi_dsi_host *host);
struct drm_dsc_config *msm_dsi_host_get_dsc_config(struct mipi_dsi_host *host);
+bool msm_dsi_host_is_wide_bus_enabled(struct mipi_dsi_host *host);
/* dsi phy */
struct msm_dsi_phy;
diff --git a/drivers/gpu/drm/msm/dsi/dsi.xml.h b/drivers/gpu/drm/msm/dsi/dsi.xml.h
index a4a154601114..2a7d980e12c3 100644
--- a/drivers/gpu/drm/msm/dsi/dsi.xml.h
+++ b/drivers/gpu/drm/msm/dsi/dsi.xml.h
@@ -664,6 +664,7 @@ static inline uint32_t DSI_CMD_MODE_MDP_CTRL2_INPUT_RGB_SWAP(enum dsi_rgb_swap v
return ((val) << DSI_CMD_MODE_MDP_CTRL2_INPUT_RGB_SWAP__SHIFT) & DSI_CMD_MODE_MDP_CTRL2_INPUT_RGB_SWAP__MASK;
}
#define DSI_CMD_MODE_MDP_CTRL2_BURST_MODE 0x00010000
+#define DSI_CMD_MODE_MDP_CTRL2_DATABUS_WIDEN 0x00100000
#define REG_DSI_CMD_MODE_MDP_STREAM2_CTRL 0x000001b8
#define DSI_CMD_MODE_MDP_STREAM2_CTRL_DATA_TYPE__MASK 0x0000003f
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c
index 3d6fb708dc22..deeecdfd6c4e 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -147,6 +147,7 @@ struct msm_dsi_host {
/* DSI 6G TX buffer*/
struct drm_gem_object *tx_gem_obj;
+ struct msm_gem_address_space *aspace;
/* DSI v2 TX buffer */
void *tx_buf;
@@ -710,6 +711,15 @@ static void dsi_ctrl_disable(struct msm_dsi_host *msm_host)
dsi_write(msm_host, REG_DSI_CTRL, 0);
}
+bool msm_dsi_host_is_wide_bus_enabled(struct mipi_dsi_host *host)
+{
+ struct msm_dsi_host *msm_host = to_msm_dsi_host(host);
+
+ return msm_host->dsc &&
+ (msm_host->cfg_hnd->major == MSM_DSI_VER_MAJOR_6G &&
+ msm_host->cfg_hnd->minor >= MSM_DSI_6G_VER_MINOR_V2_5_0);
+}
+
static void dsi_ctrl_enable(struct msm_dsi_host *msm_host,
struct msm_dsi_phy_shared_timings *phy_shared_timings, struct msm_dsi_phy *phy)
{
@@ -753,10 +763,16 @@ static void dsi_ctrl_enable(struct msm_dsi_host *msm_host,
data |= DSI_CMD_CFG1_INSERT_DCS_COMMAND;
dsi_write(msm_host, REG_DSI_CMD_CFG1, data);
- if (msm_host->cfg_hnd->major == MSM_DSI_VER_MAJOR_6G &&
- msm_host->cfg_hnd->minor >= MSM_DSI_6G_VER_MINOR_V1_3) {
+ if (cfg_hnd->major == MSM_DSI_VER_MAJOR_6G) {
data = dsi_read(msm_host, REG_DSI_CMD_MODE_MDP_CTRL2);
- data |= DSI_CMD_MODE_MDP_CTRL2_BURST_MODE;
+
+ if (cfg_hnd->minor >= MSM_DSI_6G_VER_MINOR_V1_3)
+ data |= DSI_CMD_MODE_MDP_CTRL2_BURST_MODE;
+
+ /* TODO: Allow for video-mode support once tested/fixed */
+ if (msm_dsi_host_is_wide_bus_enabled(&msm_host->base))
+ data |= DSI_CMD_MODE_MDP_CTRL2_DATABUS_WIDEN;
+
dsi_write(msm_host, REG_DSI_CMD_MODE_MDP_CTRL2, data);
}
}
@@ -894,6 +910,7 @@ static void dsi_timing_setup(struct msm_dsi_host *msm_host, bool is_bonded_dsi)
u32 hdisplay = mode->hdisplay;
u32 wc;
int ret;
+ bool wide_bus_enabled = msm_dsi_host_is_wide_bus_enabled(&msm_host->base);
DBG("");
@@ -914,6 +931,7 @@ static void dsi_timing_setup(struct msm_dsi_host *msm_host, bool is_bonded_dsi)
if (msm_host->dsc) {
struct drm_dsc_config *dsc = msm_host->dsc;
+ u32 bytes_per_pclk;
/* update dsc params with timing params */
if (!dsc || !mode->hdisplay || !mode->vdisplay) {
@@ -937,7 +955,13 @@ static void dsi_timing_setup(struct msm_dsi_host *msm_host, bool is_bonded_dsi)
* pulse width same
*/
h_total -= hdisplay;
- hdisplay = DIV_ROUND_UP(msm_dsc_get_bytes_per_line(msm_host->dsc), 3);
+ if (wide_bus_enabled && !(msm_host->mode_flags & MIPI_DSI_MODE_VIDEO))
+ bytes_per_pclk = 6;
+ else
+ bytes_per_pclk = 3;
+
+ hdisplay = DIV_ROUND_UP(msm_dsc_get_bytes_per_line(msm_host->dsc), bytes_per_pclk);
+
h_total += hdisplay;
ha_end = ha_start + hdisplay;
}
@@ -1111,8 +1135,10 @@ int dsi_tx_buf_alloc_6g(struct msm_dsi_host *msm_host, int size)
uint64_t iova;
u8 *data;
+ msm_host->aspace = msm_gem_address_space_get(priv->kms->aspace);
+
data = msm_gem_kernel_new(dev, size, MSM_BO_WC,
- priv->kms->aspace,
+ msm_host->aspace,
&msm_host->tx_gem_obj, &iova);
if (IS_ERR(data)) {
@@ -1141,10 +1167,10 @@ int dsi_tx_buf_alloc_v2(struct msm_dsi_host *msm_host, int size)
return 0;
}
-static void dsi_tx_buf_free(struct msm_dsi_host *msm_host)
+void msm_dsi_tx_buf_free(struct mipi_dsi_host *host)
{
+ struct msm_dsi_host *msm_host = to_msm_dsi_host(host);
struct drm_device *dev = msm_host->dev;
- struct msm_drm_private *priv;
/*
* This is possible if we're tearing down before we've had a chance to
@@ -1155,11 +1181,11 @@ static void dsi_tx_buf_free(struct msm_dsi_host *msm_host)
if (!dev)
return;
- priv = dev->dev_private;
if (msm_host->tx_gem_obj) {
- msm_gem_unpin_iova(msm_host->tx_gem_obj, priv->kms->aspace);
- drm_gem_object_put(msm_host->tx_gem_obj);
+ msm_gem_kernel_put(msm_host->tx_gem_obj, msm_host->aspace);
+ msm_gem_address_space_put(msm_host->aspace);
msm_host->tx_gem_obj = NULL;
+ msm_host->aspace = NULL;
}
if (msm_host->tx_buf)
@@ -1945,7 +1971,6 @@ void msm_dsi_host_destroy(struct mipi_dsi_host *host)
struct msm_dsi_host *msm_host = to_msm_dsi_host(host);
DBG("");
- dsi_tx_buf_free(msm_host);
if (msm_host->workqueue) {
destroy_workqueue(msm_host->workqueue);
msm_host->workqueue = NULL;
diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c b/drivers/gpu/drm/msm/dsi/dsi_manager.c
index 28b8012a21f2..896f369fdd53 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_manager.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c
@@ -466,9 +466,8 @@ static const struct drm_bridge_funcs dsi_mgr_bridge_funcs = {
};
/* initialize bridge */
-struct drm_bridge *msm_dsi_manager_bridge_init(u8 id)
+int msm_dsi_manager_bridge_init(struct msm_dsi *msm_dsi)
{
- struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id);
struct drm_bridge *bridge = NULL;
struct dsi_bridge *dsi_bridge;
struct drm_encoder *encoder;
@@ -476,31 +475,27 @@ struct drm_bridge *msm_dsi_manager_bridge_init(u8 id)
dsi_bridge = devm_kzalloc(msm_dsi->dev->dev,
sizeof(*dsi_bridge), GFP_KERNEL);
- if (!dsi_bridge) {
- ret = -ENOMEM;
- goto fail;
- }
+ if (!dsi_bridge)
+ return -ENOMEM;
- dsi_bridge->id = id;
+ dsi_bridge->id = msm_dsi->id;
encoder = msm_dsi->encoder;
bridge = &dsi_bridge->base;
bridge->funcs = &dsi_mgr_bridge_funcs;
- drm_bridge_add(bridge);
+ ret = devm_drm_bridge_add(msm_dsi->dev->dev, bridge);
+ if (ret)
+ return ret;
ret = drm_bridge_attach(encoder, bridge, NULL, 0);
if (ret)
- goto fail;
+ return ret;
- return bridge;
+ msm_dsi->bridge = bridge;
-fail:
- if (bridge)
- msm_dsi_manager_bridge_destroy(bridge);
-
- return ERR_PTR(ret);
+ return 0;
}
int msm_dsi_manager_ext_bridge_init(u8 id)
@@ -557,11 +552,6 @@ int msm_dsi_manager_ext_bridge_init(u8 id)
return 0;
}
-void msm_dsi_manager_bridge_destroy(struct drm_bridge *bridge)
-{
- drm_bridge_remove(bridge);
-}
-
int msm_dsi_manager_cmd_xfer(int id, const struct mipi_dsi_msg *msg)
{
struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id);