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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/gpu/drm/radeon/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/radeon_drm.h>
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 #include "radeon.h"
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 #include "atom.h"
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@@ -35,7 +35,7 @@
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 static int radeon_process_i2c_ch(struct radeon_i2c_chan *chan,
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 				 u8 slave_addr, u8 flags,
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-				 u8 *buf, u8 num)
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+				 u8 *buf, int num)
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 {
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 	struct drm_device *dev = chan->dev;
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 	struct radeon_device *rdev = dev->dev_private;
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@@ -68,11 +68,6 @@
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 			memcpy(&out, &buf[1], num);
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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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 	}