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authorEduard Zingerman <eddyz87@gmail.com>2026-09-04 17:05:56 -0700
committerAlexei Starovoitov <ast@kernel.org>2026-09-04 18:17:30 -0700
commit506ada89629ec7059b96ecfb0dc7d33ece0103ca (patch)
tree0b07297409b68d2333fb4f0eae7f3b072eb68d4c /drivers/video/fbdev/carminefb.h
downloadlinux-stable-506ada89629ec7059b96ecfb0dc7d33ece0103ca.tar.gz
linux-stable-506ada89629ec7059b96ecfb0dc7d33ece0103ca.zip
bpf: mark a NULL kfunc argument precisegrafted
check_kfunc_arg() allows bpf_register_is_null() for nullable arguments w/o marking the underlying scalar register precise. Hence a checkpoint created on such a path would prune against arbitrary scalar value. Fixes: 3bda08b63670 ("bpf: Allow NULL buffers in bpf_dynptr_slice(_rw)") Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20260904-register-is-null-precise-fixes-v1-5-0f5a360ff15d@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'drivers/video/fbdev/carminefb.h')
-rw-r--r--drivers/video/fbdev/carminefb.h65
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/video/fbdev/carminefb.h b/drivers/video/fbdev/carminefb.h
new file mode 100644
index 000000000..c9825481d
--- /dev/null
+++ b/drivers/video/fbdev/carminefb.h
@@ -0,0 +1,65 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef CARMINE_CARMINE_H
+#define CARMINE_CARMINE_H
+
+#define CARMINE_MEMORY_BAR 2
+#define CARMINE_CONFIG_BAR 3
+
+#define MAX_DISPLAY 2
+#define CARMINE_DISPLAY_MEM (800 * 600 * 4)
+#define CARMINE_TOTAL_DISPLAY_MEM (CARMINE_DISPLAY_MEM * MAX_DISPLAY)
+
+#define CARMINE_USE_DISPLAY0 (1 << 0)
+#define CARMINE_USE_DISPLAY1 (1 << 1)
+
+/*
+ * This values work on the eval card. Custom boards may use different timings,
+ * here an example :)
+ */
+
+/* DRAM initialization values */
+#ifdef CONFIG_FB_CARMINE_DRAM_EVAL
+
+#define CARMINE_DFLT_IP_CLOCK_ENABLE (0x03ff)
+#define CARMINE_DFLT_IP_DCTL_ADD (0x05c3)
+#define CARMINE_DFLT_IP_DCTL_MODE (0x0121)
+#define CARMINE_DFLT_IP_DCTL_EMODE (0x8000)
+#define CARMINE_DFLT_IP_DCTL_SET_TIME1 (0x4749)
+#define CARMINE_DFLT_IP_DCTL_SET_TIME2 (0x2a22)
+#define CARMINE_DFLT_IP_DCTL_REFRESH (0x0042)
+#define CARMINE_DFLT_IP_DCTL_STATES (0x0003)
+#define CARMINE_DFLT_IP_DCTL_RESERVE0 (0x0020)
+#define CARMINE_DFLT_IP_DCTL_FIFO_DEPTH (0x000f)
+#define CARMINE_DFLT_IP_DCTL_RESERVE2 (0x0000)
+#define CARMINE_DFLT_IP_DCTL_DDRIF1 (0x6646)
+#define CARMINE_DFLT_IP_DCTL_DDRIF2 (0x0055)
+#define CARMINE_DFLT_IP_DCTL_MODE_AFT_RST (0x0021)
+#define CARMINE_DFLT_IP_DCTL_STATES_AFT_RST (0x0002)
+#define CARMINE_DFLT_IP_DCTL_IO_CONT0 (0x0555)
+#define CARMINE_DFLT_IP_DCTL_IO_CONT1 (0x0555)
+#define CARMINE_DCTL_DLL_RESET (1)
+#endif
+
+#ifdef CONFIG_CARMINE_DRAM_CUSTOM
+
+#define CARMINE_DFLT_IP_CLOCK_ENABLE (0x03ff)
+#define CARMINE_DFLT_IP_DCTL_ADD (0x03b2)
+#define CARMINE_DFLT_IP_DCTL_MODE (0x0161)
+#define CARMINE_DFLT_IP_DCTL_EMODE (0x8000)
+#define CARMINE_DFLT_IP_DCTL_SET_TIME1 (0x2628)
+#define CARMINE_DFLT_IP_DCTL_SET_TIME2 (0x1a09)
+#define CARMINE_DFLT_IP_DCTL_REFRESH (0x00fe)
+#define CARMINE_DFLT_IP_DCTL_STATES (0x0003)
+#define CARMINE_DFLT_IP_DCTL_RESERVE0 (0x0020)
+#define CARMINE_DFLT_IP_DCTL_FIFO_DEPTH (0x000f)
+#define CARMINE_DFLT_IP_DCTL_RESERVE2 (0x0000)
+#define CARMINE_DFLT_IP_DCTL_DDRIF1 (0x0646)
+#define CARMINE_DFLT_IP_DCTL_DDRIF2 (0x55aa)
+#define CARMINE_DFLT_IP_DCTL_MODE_AFT_RST (0x0061)
+#define CARMINE_DFLT_IP_DCTL_STATES_AFT_RST (0x0002)
+#define CARMINE_DFLT_IP_DCTL_IO_CONT0 (0x0555)
+#define CARMINE_DFLT_IP_DCTL_IO_CONT1 (0x0555)
+#define CARMINE_DCTL_DLL_RESET (1)
+#endif
+
+#endif