Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
drm/radeon/kms: fix i2c pad masks on rs4xx
These got lost in the last i2c cleanup. Fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=23222
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
authored by Alex Deucher and committed by Dave Airlie be663057 95ccb0f3
+13
drivers/gpu/drm/radeon/radeon_combios.c
+13
drivers/gpu/drm/radeon/radeon_combios.c
···
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}
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if (clk_mask && data_mask) {
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+
/* system specific masks */
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i2c.mask_clk_mask = clk_mask;
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i2c.mask_data_mask = data_mask;
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i2c.a_clk_mask = clk_mask;
···
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i2c.en_data_mask = data_mask;
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i2c.y_clk_mask = clk_mask;
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i2c.y_data_mask = data_mask;
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} else if ((ddc_line == RADEON_GPIOPAD_MASK) ||
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(ddc_line == RADEON_MDGPIO_MASK)) {
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/* default gpiopad masks */
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i2c.mask_clk_mask = (0x20 << 8);
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i2c.mask_data_mask = 0x80;
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i2c.a_clk_mask = (0x20 << 8);
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i2c.a_data_mask = 0x80;
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i2c.en_clk_mask = (0x20 << 8);
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i2c.en_data_mask = 0x80;
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i2c.y_clk_mask = (0x20 << 8);
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i2c.y_data_mask = 0x80;
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} else {
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/* default masks for ddc pads */
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i2c.mask_clk_mask = RADEON_GPIO_EN_1;
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i2c.mask_data_mask = RADEON_GPIO_EN_0;
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i2c.a_clk_mask = RADEON_GPIO_A_1;