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authorLinus Torvalds <torvalds@linux-foundation.org>2024-03-13 18:34:05 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2024-03-13 18:34:05 -0700
commit480e035fc4c714fb5536e64ab9db04fedc89e910 (patch)
tree01341ee43abe7ecb8efb4e7bbbb1c3b3b50f7ec8 /drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c
parente5e038b7ae9da96b93974bf072ca1876899a01a3 (diff)
parent119b225f01e4d3ce974cd3b4d982c76a380c796d (diff)
Merge tag 'drm-next-2024-03-13' of https://gitlab.freedesktop.org/drm/kernel
Pull drm updates from Dave Airlie: "Highlights are usual, more AMD IP blocks for future hw, i915/xe changes, Displayport tunnelling support for i915, msm YUV over DP changes, new tests for ttm, but its mostly a lot of stuff all over the place from lots of people. core: - EDID cleanups - scheduler error handling fixes - managed: add drmm_release_action() with tests - add ratelimited drm debug print - DPCD PSR early transport macro - DP tunneling and bandwidth allocation helpers - remove built-in edids - dp: Avoid AUX transfers on powered-down displays - dp: Add VSC SDP helpers cross drivers: - use new drm print helpers - switch to ->read_edid callback - gem: add stats for shared buffers plus updates to amdgpu, i915, xe syncobj: - fixes to waiting and sleeping ttm: - add tests - fix errno codes - simply busy-placement handling - fix page decryption media: - tc358743: fix v4l device registration video: - move all kernel parameters for video behind CONFIG_VIDEO sound: - remove <drm/drm_edid.h> include from header ci: - add tests for msm - fix apq8016 runner efifb: - use copy of global screen_info state vesafb: - use copy of global screen_info state simplefb: - fix logging bridge: - ite-6505: fix DP link-training bug - samsung-dsim: fix error checking in probe - samsung-dsim: add bsh-smm-s2/pro boards - tc358767: fix regmap usage - imx: add i.MX8MP HDMI PVI plus DT bindings - imx: add i.MX8MP HDMI TX plus DT bindings - sii902x: fix probing and unregistration - tc358767: limit pixel PLL input range - switch to new drm_bridge_read_edid() interface panel: - ltk050h3146w: error-handling fixes - panel-edp: support delay between power-on and enable; use put_sync in unprepare; support Mediatek MT8173 Chromebooks, BOE NV116WHM-N49 V8.0, BOE NV122WUM-N41, CSO MNC207QS1-1 plus DT bindings - panel-lvds: support EDT ETML0700Z9NDHA plus DT bindings - panel-novatek: FRIDA FRD400B25025-A-CTK plus DT bindings - add BOE TH101MB31IG002-28A plus DT bindings - add EDT ETML1010G3DRA plus DT bindings - add Novatek NT36672E LCD DSI plus DT bindings - nt36523: support 120Hz timings, fix includes - simple: fix display timings on RK32FN48H - visionox-vtdr6130: fix initialization - add Powkiddy RGB10MAX3 plus DT bindings - st7703: support panel rotation plus DT bindings - add Himax HX83112A plus DT bindings - ltk500hd1829: add support for ltk101b4029w and admatec 9904370 - simple: add BOE BP082WX1-100 8.2" panel plus DT bindungs panel-orientation-quirks: - GPD Win Mini amdgpu: - Validate DMABuf imports in compute VMs - Add RAS ACA framework - PSP 13 fixes - Misc code cleanups - Replay fixes - Atom interpretor PS, WS bounds checking - DML2 fixes - Audio fixes - DCN 3.5 Z state fixes - Remove deprecated ida_simple usage - UBSAN fixes - RAS fixes - Enable seq64 infrastructure - DC color block enablement - Documentation updates - DC documentation updates - DMCUB updates - ATHUB 4.1 support - LSDMA 7.0 support - JPEG DPG support - IH 7.0 support - HDP 7.0 support - VCN 5.0 support - SMU 13.0.6 updates - NBIO 7.11 updates - SDMA 6.1 updates - MMHUB 3.3 updates - DCN 3.5.1 support - NBIF 6.3.1 support - VPE 6.1.1 support amdkfd: - Validate DMABuf imports in compute VMs - SVM fixes - Trap handler updates and enhancements - Fix cache size reporting - Relocate the trap handler radeon: - Atom interpretor PS, WS bounds checking - Misc code cleanups xe: - new query for GuC submission version - Remove unused persistent exec_queues - Add vram frequency sysfs attributes - Add the flag XE_VM_BIND_FLAG_DUMPABLE - Drop pre-production workarounds - Drop kunit tests for unsupported platforms - Start pumbling SR-IOV support with memory based interrupts for VF - Allow to map BO in GGTT with PAT index corresponding to XE_CACHE_UC to work with memory based interrupts - Add GuC Doorbells Manager as prep work SR-IOV - Implement additional workarounds for xe2 and MTL - Program a few registers according to perfomance guide spec for Xe2 - Fix remaining 32b build issues and enable it back - Fix build with CONFIG_DEBUG_FS=n - Fix warnings from GuC ABI headers - Introduce Relay Communication for SR-IOV for VF <-> GuC <-> PF - Release mmap mappings on rpm suspend - Disable mid-thread preemption when not properly supported by hardware - Fix xe_exec by reserving extra fence slot for CPU bind - Fix xe_exec with full long running exec queue - Canonicalize addresses where needed for Xe2 and add to devcoredum - Toggle USM support for Xe2 - Only allow 1 ufence per exec / bind IOCTL - Add GuC firmware loading for Lunar Lake - Add XE_VMA_PTE_64K VMA flag i915: - Add more ADL-N PCI IDs - Enable fastboot also on older platforms - Early transport for panel replay and PSR - New ARL PCI IDs - DP TPS4 PHY test pattern support - Unify and improve VSC SDP for PSR and non-PSR cases - Refactor memory regions and improve debug logging - Rework global state serialization - Remove unused CDCLK divider fields - Unify HDCP connector logging format - Use display instead of graphics version in display code - Move VBT and opregion debugfs next to the implementation - Abstract opregion interface, use opaque type - MTL fixes - HPD handling fixes - Add GuC submission interface version query - Atomically invalidate userptr on mmu-notifier - Update handling of MMIO triggered reports - Don't make assumptions about intel_wakeref_t type - Extend driver code of Xe_LPG to Xe_LPG+ - Add flex arrays to struct i915_syncmap - Allow for very slow HuC loading - DP tunneling and bandwidth allocation support msm: - Correct bindings for MSM8976 and SM8650 platforms - Start migration of MDP5 platforms to DPU driver - X1E80100 MDSS support - DPU: - Improve DSC allocation, fixing several important corner cases - Add support for SDM630/SDM660 platforms - Simplify dpu_encoder_phys_ops - Apply fixes targeting DSC support with a single DSC encoder - Apply fixes for HCTL_EN timing configuration - X1E80100 support - Add support for YUV420 over DP - GPU: - fix sc7180 UBWC config - fix a7xx LLC config - new gpu support: a305B, a750, a702 - machine support: SM7150 (different power levels than other a618) - a7xx devcoredump support habanalabs: - configure IRQ affinity according to NUMA node - move HBM MMU page tables inside the HBM - improve device reset - check extended PCIe errors ivpu: - updates to firmware API - refactor BO allocation imx: - use devm_ functions during init hisilicon: - fix EDID includes mgag200: - improve ioremap usage - convert to struct drm_edid - Work around PCI write bursts nouveau: - disp: use kmemdup() - fix EDID includes - documentation fixes qaic: - fixes to BO handling - make use of DRM managed release - fix order of remove operations rockchip: - analogix_dp: get encoder port from DT - inno_hdmi: support HDMI for RK3128 - lvds: error-handling fixes ssd130x: - support SSD133x plus DT bindings tegra: - fix error handling tilcdc: - make use of DRM managed release v3d: - show memory stats in debugfs - Support display MMU page size vc4: - fix error handling in plane prepare_fb - fix framebuffer test in plane helpers virtio: - add venus capset defines vkms: - fix OOB access when programming the LUT - Kconfig improvements vmwgfx: - unmap surface before changing plane state - fix memory leak in error handling - documentation fixes - list command SVGA_3D_CMD_DEFINE_GB_SURFACE_V4 as invalid - fix null-pointer deref in execbuf - refactor display-mode probing - fix fencing for creating cursor MOBs - fix cursor-memory lifetime xlnx: - fix live video input for ZynqMP DPSUB lima: - fix memory leak loongson: - fail if no VRAM present meson: - switch to new drm_bridge_read_edid() interface renesas: - add RZ/G2L DU support plus DT bindings mxsfb: - Use managed mode config sun4i: - HDMI: updates to atomic mode setting mediatek: - Add display driver for MT8188 VDOSYS1 - DSI driver cleanups - Filter modes according to hardware capability - Fix a null pointer crash in mtk_drm_crtc_finish_page_flip etnaviv: - enhancements for NPU and MRT support" * tag 'drm-next-2024-03-13' of https://gitlab.freedesktop.org/drm/kernel: (1420 commits) drm/amd/display: Removed redundant @ symbol to fix kernel-doc warnings in -next repo drm/amd/pm: wait for completion of the EnableGfxImu message drm/amdgpu/soc21: add mode2 asic reset for SMU IP v14.0.1 drm/amdgpu: add smu 14.0.1 support drm/amdgpu: add VPE 6.1.1 discovery support drm/amdgpu/vpe: add VPE 6.1.1 support drm/amdgpu/vpe: don't emit cond exec command under collaborate mode drm/amdgpu/vpe: add collaborate mode support for VPE drm/amdgpu/vpe: add PRED_EXE and COLLAB_SYNC OPCODE drm/amdgpu/vpe: add multi instance VPE support drm/amdgpu/discovery: add nbif v6_3_1 ip block drm/amdgpu: Add nbif v6_3_1 ip block support drm/amdgpu: Add pcie v6_1_0 ip headers (v5) drm/amdgpu: Add nbif v6_3_1 ip headers (v5) arch/powerpc: Remove <linux/fb.h> from backlight code macintosh/via-pmu-backlight: Include <linux/backlight.h> fbdev/chipsfb: Include <linux/backlight.h> drm/etnaviv: Restore some id values drm/amdkfd: make kfd_class constant drm/amdgpu: add ring timeout information in devcoredump ...
Diffstat (limited to 'drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c')
-rw-r--r--drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c265
1 files changed, 241 insertions, 24 deletions
diff --git a/drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c b/drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c
index 39e408c9f762..a4c9a5cb9811 100644
--- a/drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c
+++ b/drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c
@@ -11,6 +11,7 @@
#include <linux/gpio/consumer.h>
#include <linux/module.h>
#include <linux/of.h>
+#include <linux/of_device.h>
#include <linux/regulator/consumer.h>
#include <video/mipi_display.h>
@@ -21,25 +22,224 @@
#include <drm/drm_modes.h>
#include <drm/drm_panel.h>
+struct ltk500hd1829_cmd {
+ char cmd;
+ char data;
+};
+
+struct ltk500hd1829_desc {
+ const struct drm_display_mode *mode;
+ const struct ltk500hd1829_cmd *init;
+ unsigned int num_init;
+};
+
struct ltk500hd1829 {
struct device *dev;
struct drm_panel panel;
struct gpio_desc *reset_gpio;
struct regulator *vcc;
struct regulator *iovcc;
+ const struct ltk500hd1829_desc *panel_desc;
bool prepared;
};
-struct ltk500hd1829_cmd {
- char cmd;
- char data;
+static const struct ltk500hd1829_cmd ltk101b4029w_init[] = {
+ /* Page0 */
+ { 0xE0, 0x00 },
+ /* PASSWORD */
+ { 0xE1, 0x93 },
+ { 0xE2, 0x65 },
+ { 0xE3, 0xF8 },
+ { 0x80, 0x03 }, /* 0X03:4-LANE; 0X02:3-LANE; 0X01:2-LANE */
+ /* Page1 */
+ { 0xE0, 0x01 },
+ /* Set VCOM */
+ { 0x00, 0x00 },
+ { 0x01, 0x6F },
+ /* Set Gamma Power, VGMP,VGMN,VGSP,VGSN */
+ { 0x17, 0x00 },
+ { 0x18, 0xAF }, /* 4.3V */
+ { 0x19, 0x01 }, /* 0.3V */
+ { 0x1A, 0x00 },
+ { 0x1B, 0xAF }, /* 4.3V */
+ { 0x1C, 0x01 }, /* 0.3V */
+ /* Set Gate Power */
+ { 0x1F, 0x3E }, /* VGH_R = 15V */
+ { 0x20, 0x28 }, /* VGL_R = -12V */
+ { 0x21, 0x28 }, /* VGL_R2 = -12V */
+ { 0x22, 0x7E },
+ /* SETPANEL */
+ { 0x35, 0x26 },
+ { 0x37, 0x09 },
+ /* SET RGBCYC */
+ { 0x38, 0x04 },
+ { 0x39, 0x00 },
+ { 0x3A, 0x01 },
+ { 0x3C, 0x7C },
+ { 0x3D, 0xFF },
+ { 0x3E, 0xFF },
+ { 0x3F, 0x7F },
+ /* Set TCON */
+ { 0x40, 0x06 }, /* RSO = 800 RGB */
+ { 0x41, 0xA0 }, /* LN = 640->1280 line */
+ { 0x42, 0x81 },
+ { 0x43, 0x08 }, /* VFP = 8 */
+ { 0x44, 0x0B }, /* VBP = 12 */
+ { 0x45, 0x28 }, /* HBP = 40 */
+ /* power voltage */
+ { 0x55, 0x0F }, /* DCDCM = 0001, JD PWR_IC */
+ { 0x57, 0x69 },
+ { 0x59, 0x0A }, /* VCL = -2.9V */
+ { 0x5A, 0x28 }, /* VGH = 15V */
+ { 0x5B, 0x14 }, /* VGL = -11V */
+ /* Gamma */
+ { 0x5D, 0x7C },
+ { 0x5E, 0x65 },
+ { 0x5F, 0x55 },
+ { 0x60, 0x47 },
+ { 0x61, 0x43 },
+ { 0x62, 0x32 },
+ { 0x63, 0x34 },
+ { 0x64, 0x1C },
+ { 0x65, 0x33 },
+ { 0x66, 0x31 },
+ { 0x67, 0x30 },
+ { 0x68, 0x4E },
+ { 0x69, 0x3C },
+ { 0x6A, 0x44 },
+ { 0x6B, 0x35 },
+ { 0x6C, 0x31 },
+ { 0x6D, 0x23 },
+ { 0x6E, 0x11 },
+ { 0x6F, 0x00 },
+ { 0x70, 0x7C },
+ { 0x71, 0x65 },
+ { 0x72, 0x55 },
+ { 0x73, 0x47 },
+ { 0x74, 0x43 },
+ { 0x75, 0x32 },
+ { 0x76, 0x34 },
+ { 0x77, 0x1C },
+ { 0x78, 0x33 },
+ { 0x79, 0x31 },
+ { 0x7A, 0x30 },
+ { 0x7B, 0x4E },
+ { 0x7C, 0x3C },
+ { 0x7D, 0x44 },
+ { 0x7E, 0x35 },
+ { 0x7F, 0x31 },
+ { 0x80, 0x23 },
+ { 0x81, 0x11 },
+ { 0x82, 0x00 },
+ /* Page2, for GIP */
+ { 0xE0, 0x02 },
+ /* GIP_L Pin mapping */
+ { 0x00, 0x1E },
+ { 0x01, 0x1E },
+ { 0x02, 0x41 },
+ { 0x03, 0x41 },
+ { 0x04, 0x43 },
+ { 0x05, 0x43 },
+ { 0x06, 0x1F },
+ { 0x07, 0x1F },
+ { 0x08, 0x35 },
+ { 0x09, 0x1F },
+ { 0x0A, 0x15 },
+ { 0x0B, 0x15 },
+ { 0x0C, 0x1F },
+ { 0x0D, 0x47 },
+ { 0x0E, 0x47 },
+ { 0x0F, 0x45 },
+ { 0x10, 0x45 },
+ { 0x11, 0x4B },
+ { 0x12, 0x4B },
+ { 0x13, 0x49 },
+ { 0x14, 0x49 },
+ { 0x15, 0x1F },
+ /* GIP_R Pin mapping */
+ { 0x16, 0x1E },
+ { 0x17, 0x1E },
+ { 0x18, 0x40 },
+ { 0x19, 0x40 },
+ { 0x1A, 0x42 },
+ { 0x1B, 0x42 },
+ { 0x1C, 0x1F },
+ { 0x1D, 0x1F },
+ { 0x1E, 0x35 },
+ { 0x1F, 0x1F },
+ { 0x20, 0x15 },
+ { 0x21, 0x15 },
+ { 0x22, 0x1f },
+ { 0x23, 0x46 },
+ { 0x24, 0x46 },
+ { 0x25, 0x44 },
+ { 0x26, 0x44 },
+ { 0x27, 0x4A },
+ { 0x28, 0x4A },
+ { 0x29, 0x48 },
+ { 0x2A, 0x48 },
+ { 0x2B, 0x1F },
+ /* GIP Timing */
+ { 0x58, 0x40 },
+ { 0x5B, 0x30 },
+ { 0x5C, 0x03 },
+ { 0x5D, 0x30 },
+ { 0x5E, 0x01 },
+ { 0x5F, 0x02 },
+ { 0x63, 0x14 },
+ { 0x64, 0x6A },
+ { 0x67, 0x73 },
+ { 0x68, 0x05 },
+ { 0x69, 0x14 },
+ { 0x6A, 0x6A },
+ { 0x6B, 0x08 },
+ { 0x6C, 0x00 },
+ { 0x6D, 0x00 },
+ { 0x6E, 0x00 },
+ { 0x6F, 0x88 },
+ { 0x77, 0xDD },
+ { 0x79, 0x0E },
+ { 0x7A, 0x03 },
+ { 0x7D, 0x14 },
+ { 0x7E, 0x6A },
+ /* Page4 */
+ { 0xE0, 0x04 },
+ { 0x09, 0x11 },
+ { 0x0E, 0x48 },
+ { 0x2B, 0x2B },
+ { 0x2D, 0x03 },
+ { 0x2E, 0x44 },
+ /* Page0 */
+ { 0xE0, 0x00 },
+ { 0xE6, 0x02 },
+ { 0xE7, 0x0C },
+};
+
+static const struct drm_display_mode ltk101b4029w_mode = {
+ .hdisplay = 800,
+ .hsync_start = 800 + 18,
+ .hsync_end = 800 + 18 + 18,
+ .htotal = 800 + 18 + 18 + 18,
+ .vdisplay = 1280,
+ .vsync_start = 1280 + 24,
+ .vsync_end = 1280 + 24 + 4,
+ .vtotal = 1280 + 24 + 4 + 8,
+ .clock = 67330,
+ .width_mm = 136,
+ .height_mm = 218,
+};
+
+static const struct ltk500hd1829_desc ltk101b4029w_data = {
+ .mode = &ltk101b4029w_mode,
+ .init = ltk101b4029w_init,
+ .num_init = ARRAY_SIZE(ltk101b4029w_init),
};
/*
* There is no description in the Reference Manual about these commands.
* We received them from the vendor, so just use them as is.
*/
-static const struct ltk500hd1829_cmd init_code[] = {
+static const struct ltk500hd1829_cmd ltk500hd1829_init[] = {
{ 0xE0, 0x00 },
{ 0xE1, 0x93 },
{ 0xE2, 0x65 },
@@ -260,6 +460,26 @@ static const struct ltk500hd1829_cmd init_code[] = {
{ 0x35, 0x00 },
};
+static const struct drm_display_mode ltk500hd1829_mode = {
+ .hdisplay = 720,
+ .hsync_start = 720 + 50,
+ .hsync_end = 720 + 50 + 50,
+ .htotal = 720 + 50 + 50 + 50,
+ .vdisplay = 1280,
+ .vsync_start = 1280 + 30,
+ .vsync_end = 1280 + 30 + 4,
+ .vtotal = 1280 + 30 + 4 + 12,
+ .clock = 69217,
+ .width_mm = 62,
+ .height_mm = 110,
+};
+
+static const struct ltk500hd1829_desc ltk500hd1829_data = {
+ .mode = &ltk500hd1829_mode,
+ .init = ltk500hd1829_init,
+ .num_init = ARRAY_SIZE(ltk500hd1829_init),
+};
+
static inline
struct ltk500hd1829 *panel_to_ltk500hd1829(struct drm_panel *panel)
{
@@ -324,8 +544,8 @@ static int ltk500hd1829_prepare(struct drm_panel *panel)
/* tRT: >= 5ms */
usleep_range(5000, 6000);
- for (i = 0; i < ARRAY_SIZE(init_code); i++) {
- ret = mipi_dsi_generic_write(dsi, &init_code[i],
+ for (i = 0; i < ctx->panel_desc->num_init; i++) {
+ ret = mipi_dsi_generic_write(dsi, &ctx->panel_desc->init[i],
sizeof(struct ltk500hd1829_cmd));
if (ret < 0) {
dev_err(panel->dev, "failed to write init cmds: %d\n", ret);
@@ -359,31 +579,17 @@ disable_vcc:
return ret;
}
-static const struct drm_display_mode default_mode = {
- .hdisplay = 720,
- .hsync_start = 720 + 50,
- .hsync_end = 720 + 50 + 50,
- .htotal = 720 + 50 + 50 + 50,
- .vdisplay = 1280,
- .vsync_start = 1280 + 30,
- .vsync_end = 1280 + 30 + 4,
- .vtotal = 1280 + 30 + 4 + 12,
- .clock = 69217,
- .width_mm = 62,
- .height_mm = 110,
-};
-
static int ltk500hd1829_get_modes(struct drm_panel *panel,
struct drm_connector *connector)
{
struct ltk500hd1829 *ctx = panel_to_ltk500hd1829(panel);
struct drm_display_mode *mode;
- mode = drm_mode_duplicate(connector->dev, &default_mode);
+ mode = drm_mode_duplicate(connector->dev, ctx->panel_desc->mode);
if (!mode) {
dev_err(ctx->dev, "failed to add mode %ux%u@%u\n",
- default_mode.hdisplay, default_mode.vdisplay,
- drm_mode_vrefresh(&default_mode));
+ ctx->panel_desc->mode->hdisplay, ctx->panel_desc->mode->vdisplay,
+ drm_mode_vrefresh(ctx->panel_desc->mode));
return -ENOMEM;
}
@@ -413,6 +619,10 @@ static int ltk500hd1829_probe(struct mipi_dsi_device *dsi)
if (!ctx)
return -ENOMEM;
+ ctx->panel_desc = of_device_get_match_data(dev);
+ if (!ctx->panel_desc)
+ return -EINVAL;
+
ctx->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
if (IS_ERR(ctx->reset_gpio)) {
dev_err(dev, "cannot get reset gpio\n");
@@ -492,7 +702,14 @@ static void ltk500hd1829_remove(struct mipi_dsi_device *dsi)
}
static const struct of_device_id ltk500hd1829_of_match[] = {
- { .compatible = "leadtek,ltk500hd1829", },
+ {
+ .compatible = "leadtek,ltk101b4029w",
+ .data = &ltk101b4029w_data,
+ },
+ {
+ .compatible = "leadtek,ltk500hd1829",
+ .data = &ltk500hd1829_data,
+ },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, ltk500hd1829_of_match);