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authorLinus Torvalds <[email protected]>2025-07-31 02:26:49 +0000
committerLinus Torvalds <[email protected]>2025-07-31 02:26:49 +0000
commit260f6f4fda93c8485c8037865c941b42b9cba5d2 (patch)
tree587a0ea46d3351f63250d19860b01da8217ac774 /drivers/gpu/drm/ast/ast_2000.c
parentMerge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm (diff)
parentMerge tag 'drm-misc-next-fixes-2025-07-24' of https://gitlab.freedesktop.org/... (diff)
downloadkernel-260f6f4fda93c8485c8037865c941b42b9cba5d2.tar.gz
kernel-260f6f4fda93c8485c8037865c941b42b9cba5d2.zip
Merge tag 'drm-next-2025-07-30' of https://gitlab.freedesktop.org/drm/kernel
Pull drm updates from Dave Airlie: "Highlights: - Intel xe enable Panthor Lake, started adding WildCat Lake - amdgpu has a bunch of reset improvments along with the usual IP updates - msm got VM_BIND support which is important for vulkan sparse memory - more drm_panic users - gpusvm common code to handle a bunch of core SVM work outside drivers. Detail summary: Changes outside drm subdirectory: - 'shrink_shmem_memory()' for better shmem/hibernate interaction - Rust support infrastructure: - make ETIMEDOUT available - add size constants up to SZ_2G - add DMA coherent allocation bindings - mtd driver for Intel GPU non-volatile storage - i2c designware quirk for Intel xe core: - atomic helpers: tune enable/disable sequences - add task info to wedge API - refactor EDID quirks - connector: move HDR sink to drm_display_info - fourcc: half-float and 32-bit float formats - mode_config: pass format info to simplify dma-buf: - heaps: Give CMA heap a stable name ci: - add device tree validation and kunit displayport: - change AUX DPCD access probe address - add quirk for DPCD probe - add panel replay definitions - backlight control helpers fbdev: - make CONFIG_FIRMWARE_EDID available on all arches fence: - fix UAF issues format-helper: - improve tests gpusvm: - introduce devmem only flag for allocation - add timeslicing support to GPU SVM ttm: - improve eviction sched: - tracing improvements - kunit improvements - memory leak fixes - reset handling improvements color mgmt: - add hardware gamma LUT handling helpers bridge: - add destroy hook - switch to reference counted drm_bridge allocations - tc358767: convert to devm_drm_bridge_alloc - improve CEC handling panel: - switch to reference counter drm_panel allocations - fwnode panel lookup - Huiling hl055fhv028c support - Raspberry Pi 7" 720x1280 support - edp: KDC KD116N3730A05, N160JCE-ELL CMN, N116BCJ-EAK - simple: AUO P238HAN01 - st7701: Winstar wf40eswaa6mnn0 - visionox: rm69299-shift - Renesas R61307, Renesas R69328 support - DJN HX83112B hdmi: - add CEC handling - YUV420 output support xe: - WildCat Lake support - Enable PanthorLake by default - mark BMG as SRIOV capable - update firmware recommendations - Expose media OA units - aux-bux support for non-volatile memory - MTD intel-dg driver for non-volatile memory - Expose fan control and voltage regulator in sysfs - restructure migration for multi-device - Restore GuC submit UAF fix - make GEM shrinker drm managed - SRIOV VF Post-migration recovery of GGTT nodes - W/A additions/reworks - Prefetch support for svm ranges - Don't allocate managed BO for each policy change - HWMON fixes for BMG - Create LRC BO without VM - PCI ID updates - make SLPC debugfs files optional - rework eviction rejection of bound external BOs - consolidate PAT programming logic for pre/post Xe2 - init changes for flicker-free boot - Enable GuC Dynamic Inhibit Context switch i915: - drm_panic support for i915/xe - initial flip queue off by default for LNL/PNL - Wildcat Lake Display support - Support for DSC fractional link bpp - Support for simultaneous Panel Replay and Adaptive sync - Support for PTL+ double buffer LUT - initial PIPEDMC event handling - drm_panel_follower support - DPLL interface renames - allocate struct intel_display dynamically - flip queue preperation - abstract DRAM detection better - avoid GuC scheduling stalls - remove DG1 force probe requirement - fix MEI interrupt handler on RT kernels - use backlight control helpers for eDP - more shared display code refactoring amdgpu: - add userq slot to INFO ioctl - SR-IOV hibernation support - Suspend improvements - Backlight improvements - Use scaling for non-native eDP modes - cleaner shader updates for GC 9.x - Remove fence slab - SDMA fw checks for userq support - RAS updates - DMCUB updates - DP tunneling fixes - Display idle D3 support - Per queue reset improvements - initial smartmux support amdkfd: - enable KFD on loongarch - mtype fix for ext coherent system memory radeon: - CS validation additional GL extensions - drop console lock during suspend/resume - bump driver version msm: - VM BIND support - CI: infrastructure updates - UBWC single source of truth - decouple GPU and KMS support - DP: rework I/O accessors - DPU: SM8750 support - DSI: SM8750 support - GPU: X1-45 support and speedbin support for X1-85 - MDSS: SM8750 support nova: - register! macro improvements - DMA object abstraction - VBIOS parser + fwsec lookup - sysmem flush page support - falcon: generic falcon boot code and HAL - FWSEC-FRTS: fb setup and load/execute ivpu: - Add Wildcat Lake support - Add turbo flag ast: - improve hardware generations implementation imx: - IMX8qxq Display Controller support lima: - Rockchip RK3528 GPU support nouveau: - fence handling cleanup panfrost: - MT8370 support - bo labeling - 64-bit register access qaic: - add RAS support rockchip: - convert inno_hdmi to a bridge rz-du: - add RZ/V2H(P) support - MIPI-DSI DCS support sitronix: - ST7567 support sun4i: - add H616 support tidss: - add TI AM62L support - AM65x OLDI bridge support bochs: - drm panic support vkms: - YUV and R* format support - use faux device vmwgfx: - fence improvements hyperv: - move out of simple - add drm_panic support" * tag 'drm-next-2025-07-30' of https://gitlab.freedesktop.org/drm/kernel: (1479 commits) drm/tidss: oldi: convert to devm_drm_bridge_alloc() API drm/tidss: encoder: convert to devm_drm_bridge_alloc() drm/amdgpu: move reset support type checks into the caller drm/amdgpu/sdma7: re-emit unprocessed state on ring reset drm/amdgpu/sdma6: re-emit unprocessed state on ring reset drm/amdgpu/sdma5.2: re-emit unprocessed state on ring reset drm/amdgpu/sdma5: re-emit unprocessed state on ring reset drm/amdgpu/gfx12: re-emit unprocessed state on ring reset drm/amdgpu/gfx11: re-emit unprocessed state on ring reset drm/amdgpu/gfx10: re-emit unprocessed state on ring reset drm/amdgpu/gfx9.4.3: re-emit unprocessed state on kcq reset drm/amdgpu/gfx9: re-emit unprocessed state on kcq reset drm/amdgpu: Add WARN_ON to the resource clear function drm/amd/pm: Use cached metrics data on SMUv13.0.6 drm/amd/pm: Use cached data for min/max clocks gpu: nova-core: fix bounds check in PmuLookupTableEntry::new drm/amdgpu: Replace HQD terminology with slots naming drm/amdgpu: Add user queue instance count in HW IP info drm/amd/amdgpu: Add helper functions for isp buffers drm/amd/amdgpu: Initialize swnode for ISP MFD device ...
Diffstat (limited to 'drivers/gpu/drm/ast/ast_2000.c')
-rw-r--r--drivers/gpu/drm/ast/ast_2000.c149
1 files changed, 149 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ast/ast_2000.c b/drivers/gpu/drm/ast/ast_2000.c
new file mode 100644
index 000000000000..41c2aa1e425a
--- /dev/null
+++ b/drivers/gpu/drm/ast/ast_2000.c
@@ -0,0 +1,149 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2012 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ */
+/*
+ * Authors: Dave Airlie <[email protected]>
+ */
+
+#include <linux/delay.h>
+
+#include "ast_drv.h"
+#include "ast_post.h"
+
+/*
+ * POST
+ */
+
+void ast_2000_set_def_ext_reg(struct ast_device *ast)
+{
+ static const u8 extreginfo[] = { 0x0f, 0x04, 0x1c, 0xff };
+ u8 i, index, reg;
+ const u8 *ext_reg_info;
+
+ /* reset scratch */
+ for (i = 0x81; i <= 0x9f; i++)
+ ast_set_index_reg(ast, AST_IO_VGACRI, i, 0x00);
+
+ ext_reg_info = extreginfo;
+ index = 0xa0;
+ while (*ext_reg_info != 0xff) {
+ ast_set_index_reg_mask(ast, AST_IO_VGACRI, index, 0x00, *ext_reg_info);
+ index++;
+ ext_reg_info++;
+ }
+
+ /* disable standard IO/MEM decode if secondary */
+ /* ast_set_index_reg-mask(ast, AST_IO_VGACRI, 0xa1, 0xff, 0x3); */
+
+ /* Set Ext. Default */
+ ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0x8c, 0x00, 0x01);
+ ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xb7, 0x00, 0x00);
+
+ /* Enable RAMDAC for A1 */
+ reg = 0x04;
+ ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xb6, 0xff, reg);
+}
+
+static const struct ast_dramstruct ast2000_dram_table_data[] = {
+ { 0x0108, 0x00000000 },
+ { 0x0120, 0x00004a21 },
+ AST_DRAMSTRUCT_UDELAY(67u),
+ { 0x0000, 0xFFFFFFFF },
+ AST_DRAMSTRUCT_INIT(DRAM_TYPE, 0x00000089),
+ { 0x0008, 0x22331353 },
+ { 0x000C, 0x0d07000b },
+ { 0x0010, 0x11113333 },
+ { 0x0020, 0x00110350 },
+ { 0x0028, 0x1e0828f0 },
+ { 0x0024, 0x00000001 },
+ { 0x001C, 0x00000000 },
+ { 0x0014, 0x00000003 },
+ AST_DRAMSTRUCT_UDELAY(67u),
+ { 0x0018, 0x00000131 },
+ { 0x0014, 0x00000001 },
+ AST_DRAMSTRUCT_UDELAY(67u),
+ { 0x0018, 0x00000031 },
+ { 0x0014, 0x00000001 },
+ AST_DRAMSTRUCT_UDELAY(67u),
+ { 0x0028, 0x1e0828f1 },
+ { 0x0024, 0x00000003 },
+ { 0x002C, 0x1f0f28fb },
+ { 0x0030, 0xFFFFFE01 },
+ AST_DRAMSTRUCT_INVALID,
+};
+
+static void ast_post_chip_2000(struct ast_device *ast)
+{
+ u8 j;
+ u32 temp, i;
+ const struct ast_dramstruct *dram_reg_info;
+
+ j = ast_get_index_reg_mask(ast, AST_IO_VGACRI, 0xd0, 0xff);
+
+ if ((j & 0x80) == 0) { /* VGA only */
+ dram_reg_info = ast2000_dram_table_data;
+ ast_write32(ast, 0xf004, 0x1e6e0000);
+ ast_write32(ast, 0xf000, 0x1);
+ ast_write32(ast, 0x10100, 0xa8);
+
+ do {
+ ;
+ } while (ast_read32(ast, 0x10100) != 0xa8);
+
+ while (!AST_DRAMSTRUCT_IS(dram_reg_info, INVALID)) {
+ if (AST_DRAMSTRUCT_IS(dram_reg_info, UDELAY)) {
+ for (i = 0; i < 15; i++)
+ udelay(dram_reg_info->data);
+ } else {
+ ast_write32(ast, 0x10000 + dram_reg_info->index,
+ dram_reg_info->data);
+ }
+ dram_reg_info++;
+ }
+
+ temp = ast_read32(ast, 0x10140);
+ ast_write32(ast, 0x10140, temp | 0x40);
+ }
+
+ /* wait ready */
+ do {
+ j = ast_get_index_reg_mask(ast, AST_IO_VGACRI, 0xd0, 0xff);
+ } while ((j & 0x40) == 0);
+}
+
+int ast_2000_post(struct ast_device *ast)
+{
+ ast_2000_set_def_ext_reg(ast);
+
+ if (ast->config_mode == ast_use_p2a) {
+ ast_post_chip_2000(ast);
+ } else {
+ if (ast->tx_chip == AST_TX_SIL164) {
+ /* Enable DVO */
+ ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xa3, 0xcf, 0x80);
+ }
+ }
+
+ return 0;
+}