drm/radeon/radeon_irq_kms.c

234  * MSIs should be enabled on a particular chip (all asics).
235  * Returns true if MSIs should be enabled, false if MSIs
244 	/* MSIs don't work on AGP */  in radeon_msi_ok()
250 	 * of address for "64-bit" MSIs which breaks on some platforms, notably  in radeon_msi_ok()
265 	/* HP RS690 only seems to work with MSIs. */  in radeon_msi_ok()
271 	/* Dell RS690 only seems to work with MSIs. */  in radeon_msi_ok()
277 	/* Dell RS690 only seems to work with MSIs. */  in radeon_msi_ok()
283 	/* Gateway RS690 only seems to work with MSIs. */  in radeon_msi_ok()
289 	/* try and enable MSIs by default on all RS690s */  in radeon_msi_ok()
300 		/* APUs work fine with MSIs */  in radeon_msi_ok()
303 		/* lots of IGPs have problems with MSIs */  in radeon_msi_ok()
315  * Sets up the work irq handlers, vblank init, MSIs, etc. (all asics).
364  * Tears down the work irq handlers, vblank handlers, MSIs, etc. (all asics).