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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/gpu/drm/amd/amdgpu/atombios_i2c.c
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@@ -22,7 +22,7 @@
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  * Authors: Alex Deucher
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  *
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  */
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-#include <drm/drmP.h>
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+
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 #include <drm/amdgpu_drm.h>
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 #include "amdgpu.h"
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 #include "atom.h"
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@@ -40,7 +40,7 @@
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 				       u8 *buf, u8 num)
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 {
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 	struct drm_device *dev = chan->dev;
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-	struct amdgpu_device *adev = dev->dev_private;
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+	struct amdgpu_device *adev = drm_to_adev(dev);
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 	PROCESS_I2C_CHANNEL_TRANSACTION_PS_ALLOCATION args;
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 	int index = GetIndexIntoMasterTable(COMMAND, ProcessI2cChannelTransaction);
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 	unsigned char *base;
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@@ -76,11 +76,6 @@
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 		}
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 		args.lpI2CDataOut = cpu_to_le16(out);
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 	} else {
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-		if (num > ATOM_MAX_HW_I2C_READ) {
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-			DRM_ERROR("hw i2c: tried to read too many bytes (%d vs 255)\n", num);
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-			r = -EINVAL;
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-			goto done;
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-		}
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 		args.ucRegIndex = 0;
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 		args.lpI2CDataOut = 0;
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 	}